Despite limited success as a junior, Sinner began playing in professional men's events aged 16, and became one of the few players to win multipleATP Challenger Tour titles at age 17. In 2019, he won theNext Generation ATP Finals and theATP Newcomer of the Year award, and two years later became the first player born in the 2000s to enter the top 10 in rankings. Sinner won his firstMasters 1000 title at the2023 Canadian Open and finished that season by reaching the final of theATP Finals and leading Italy to the Davis Cup crown.
At the2024 Australian Open, Sinner defeated world No. 1Novak Djokovic and thenDaniil Medvedev ina five-set final to win his first major title. He followed by winning three Masters 1000 events, the US Open, and the ATP Finals to finish the year as the world No. 1, the first Italian to reach the top ranking. In 2025, Sinner defended his title at theAustralian Open and, following a three-month suspension for the accidental administration ofclostebol, finished runner-up at theFrench Open, losingan epic final to hiscareer rivalCarlos Alcaraz. He rebounded by winningWimbledon over Alcaraz in the final, becoming the first Italian to win the title.
Early life and background
Jannik Sinner was born 16 August 2001 to Hanspeter and Siglinde Sinner inInnichen, in theNorthern Italian province ofSouth Tyrol. Hismother tongue is German.[4][5] He grew up in the town ofSexten in theDolomites, the family hometown, where his father worked as a chef and his mother as a waitress at aski lodge.[6] He has an older adopted brother, Mark, who was born in Russia in 1998.[7][8] Sinner began skiing at age three and competed in his first ski races at the age of eight. He began playing tennis at age seven.[9] He was one of Italy's top junior skiers from seven to 12 years old, winning a national championship ingiant slalom at age seven in 2008 and becoming a national runner-up at age 11 in 2012.[10][11][12][13]
While training in skiing Sinner gave up tennis for a year at age seven before his father pushed him to return to the sport.[14] When he resumed playing, Heribert Mayr was his first regular coach.[15] Sinner's grandfather drove him to Tennis San Giorgio early in the morning, where Sinner had to take individual lessons with Mayr as no child his age there was at his level and he was much faster than older children.[9] Nonetheless, tennis was still only his third priority, behind skiing andfootball.[16][17] In the mornings he competed in ski races and in the afternoons he played football matches for AFC Sexten (Youth).[9]
At age 13, Sinner gave up skiing and football in favour of tennis due to his physique; he was tall, thin, and weighed only 35 kilograms.[9] He also preferred competing in an individual sport directly against an opponent and having more control over the outcome.[17][18] He moved on his own toBordighera on theItalian Riviera,Liguria, to train at thePiatti Tennis Center underRiccardo Piatti and Massimo Sartori, a decision his parents supported.[8][12][14] There, Sinner lived with the family of Luka Cvjetković, one of his coaches, and later moved out to share an apartment with two boys.[9][19] Before he began training in tennis full-time with Piatti, he had been playing only twice a week.[16] He graduated[when?] from the Walther Institute, a private economics school inBolzano.[9]
Junior career
Sinner began playing tennis on theITF Junior Circuit. In spite of having limited success as a junior, he moved mainly to the professional tour following the end of 2017. He never played the main draw of any high-level Grade 1 events insingles, and the only higher-level Grade A tournament he entered was theTrofeo Bonfiglio.
Sinner followed up an opening round loss at Italy's Grade A tournament in 2017 with a quarterfinal in 2018. That was the only junior event he played in 2018. He never played any of the junior Grand Slam tournaments. Because he entered so few high-level tournaments, Sinner's career-high junior ranking was a relatively low No. 133.[20]
Sinner won his first ATP Challenger title inBergamo in February 2019 at the age of 17 years and 6 months, despite entering the tournament with no match wins at the Challenger level. He became the first person born in 2001 to reach a Challenger final, and the youngest Italian to win a Challenger title in history. With the title, he rose over 200 spots in ATP rankings up to No. 324.[24][25]
During the second half of the season Sinner played more often on the ATP Tour than the Challenger Tour.[28] His firstATP Masters victory came at theItalian Open againstSteve Johnson, and he broke into the top 200 with his next ATP win at theCroatia Open Umag in July.[23] The next month, he won a second ATP Challenger title inLexington to become one of just eleven 17-year-olds to have won multiple Challenger titles.[29] After losing in qualifying atWimbledon, Sinner qualified for his first Grand Slam tournament main draw at theUS Open.[30] He lost his debut match to No. 24Stan Wawrinka.[28]
Sinner had a strong finish to the season. As a wild card at theEuropean Open, he became the youngest player in five years to reach an ATP semifinal.[31] Along the way, he knocked off top seed and world No. 13Gaël Monfils for his first career top 50 victory.[32] This performance helped him break into the top 100 for the first time one week later.[23] At the end of the season, Sinner qualified for the2019 Next Gen ATP Finals as the Italian wild card and the lowest seed.[33] He won in his round robin group with victories overFrances Tiafoe andMikael Ymer, losing only toUgo Humbert.
After defeatingMiomir Kecmanović in the semifinals, Sinner upset top seed and world No. 18Alex de Minaur in straight sets to win the title.[34] He played one last event in Italy the following week, winning a third Challenger title inOrtisei. Sinner finished the year at world No. 78, becoming the youngest player in the year-end top 80 sinceRafael Nadal in 2003.[26] He was also namedATP Newcomer of the Year.[35] and received theGazzetta Sport Award for Best Performance of the Year for his win over de Minaur in the Next Gen ATP Finals.[36]
Following the ATP Tour shutdown due to theCOVID-19 pandemic, Sinner had a successful restart to the season. Although he lost his opening round match toKaren Khachanov at theUS Open, he fared better in Europe. He reached the third round at theRome Masters, highlighted by a victory over world No. 6Stefanos Tsitsipas.[38] He then progressed to become the youngest quarterfinalist at theFrench Open sinceNovak Djokovic in 2006, and the first to make the quarterfinals on debut sinceRafael Nadal in 2005. During the tournament, he defeatedGoffin again as well as US Open runner-up and world No. 7Alexander Zverev before losing to Nadal.[39][40]
After a semifinal at theCologne Championship, where he lost to Zverev,[41] Sinner closed out the season by winning theSofia Open for his first ATP title. During the event, he defeated Next Gen rival Alex de Minaur and thenVasek Pospisil in the final.[42] He became the youngest Italian tour-level champion in theOpen Era and the youngest player overall to win an ATP title sinceKei Nishikori in2008.[43][44]
Sinner carried over his success from late 2020 into the start of the 2021 season. He won his second career ATP title at theGreat Ocean Road Open,[45] and notably defeated No. 20 Karen Khachanov in the semifinals after saving a match point.[46] He became the youngest to win back-to-back ATP titles sinceRafael Nadal in 2005.[45] His ten-match winning streak came to an end in the first round of the2021 Australian Open, where he lost a tight five-set match to world No. 12Denis Shapovalov.[47]
Then at theFrench Open, his campaign was stopped short for the second year running by Rafael Nadal, who this time defeated Sinner in straight sets in the fourth round.[51] In his main draw debut atWimbledon, he lost in the first round toMárton Fucsovics.
At the2021 Citi Open in Washington, D.C., Sinner went into the tournament as the fifth seed and made it to the finals and beat several young players along the way such asEmil Ruusuvuori,Sebastian Korda, andJenson Brooksby.[54] He beatMackenzie McDonald in the final to win his third title and firstATP 500 title. Sinner was the first Italian finalist and champion in Washington's tournament history as well as the youngest ATP 500 and first teen champion since the category was created in 2009.[55] As a result, he entered the top 15 in the ATP rankings on 9 August 2021.
At theUS Open, he defeatedGaël Monfils in the third round to reach the second week of a Major for the second time in the season. Sinner's tournament ended when he lost toAlexander Zverev in the 4th round in straight sets.
Sinner successfully defended his title at theSofia Open as the top seed, defeating again second seed Gaël Monfils in the final.[56] Sinner made his sixth career final at the2021 European Open without dropping a set en route. He defeatedLorenzo Musetti,Arthur Rinderknech andLloyd Harris to reach the final.[57] He bestedDiego Schwartzman in the final to take his fifth career title. He became the youngest man to win five ATP titles since 19-year-old Novak Djokovic.[58]
On 1 November, Sinner became the first male player born in the 2000s to break into the top-10 after a semifinal appearance at theVienna Open. At theRolex Paris Masters, Sinner received a bye in the first round but was defeated byCarlos Alcaraz. Because of this, Sinner was unable to directly qualify for the season-endingNitto ATP Finals.[59]
At theATP Finals in Turin, Sinner was present as the first alternate. Sinner entered the tournament after countrymanMatteo Berrettini was forced to withdraw with an abdominal injury after his first match with Alexander Zverev.[60] He defeatedHubert Hurkacz and became the youngest player to win an ATP Finals match on debut sinceLleyton Hewitt in Lisbon in 2000 and the first alternate to win a match sinceJanko Tipsarević in London in 2011.[61][62] Sinner playedDaniil Medvedev next in the round robin stage, holding a match point before being defeated in 3 sets. As a result, he re-entered the top-10 in the rankings and finished the year at world No. 10 on 22 November 2021.
At theAustralian Open Sinner reached the quarterfinals of a major for the second time in his career, becoming the fifth Italian man to reach that stage in Melbourne.[64] He then lost to fourth seedStefanos Tsitsipas in straight sets.
At theFrench Open, he retired in the fourth round against Andrey Rublev after sustaining a knee injury.[72]
At theEastbourne International, Sinner suffered his first opening round loss of the year after losing to Tommy Paul in three sets.[73] At the2022 Wimbledon Championships, he recorded his first win at this Major overStan Wawrinka.[74] He then beatMikael Ymer,John Isner, andCarlos Alcaraz to reach his third career major quarterfinal. He lost to top seed and eventual champion Novak Djokovic in five sets in the quarterfinals, after being two sets to love up.[75]
At theCroatia Open, Sinner defeated Carlos Alcaraz in the final to win his first clay court title.[76] InMontreal, he lost to eventual championPablo Carreño Busta in the third round.[77] Sinner's loss guaranteed a maidenMasters 1000 finalist from his half of the draw. At theCincinnati Masters, he lost in the third round to Félix Auger-Aliassime after being up a set, a break, and 2 match points.[78]
Seeded 11th at theUS Open, he reached the fourth round after defeatingBrandon Nakashima in four sets.[79] Next, he defeatedIlya Ivashka in a five set match lasting close to four hours to reach the quarterfinals for the first time at this Major.[80] He became the youngest player to reach the quarterfinals of all four major tournaments since Novak Djokovic in 2007–08.[81] He lost to Carlos Alcaraz in a five-set match that lasted 5 hours and 15 minutes; the match set the record as the latest finish (at 2:50 am EST) and second longest match in US Open history. Sinner held a match point while serving up 5–4 in the 4th set, but ended up losing the set 5–7.[82][83]
In September, during theDavis Cup Finals afterMatteo Berrettini won his singles match against Argentina, Sinner won the second match (best of three matches) and thus secured a place for Italy's Davis Cup team at the Final 8 of the Davis Cup Finals.[84] Following close to a month break due to an injury sustained in the semifinal at the2022 Sofia Open[85] he returned to the2022 Erste Bank Open in Vienna and reached also the quarterfinals losing to top seed and eventual championDaniil Medvedev.[86] In his next tournament, the2022 Rolex Paris Masters, he lost in the first round to qualifierMarc-Andrea Huesler.[87]
Sinner finished the year ranked 15th in the world, one space ahead of countryman Matteo Berrettini.
Sinner then won his seventh title at theOpen Sud de France in Montpellier, becoming the first player to win a tour-level title in the season without having dropped a single set and the first since countrymanLorenzo Musetti won the title in Naples in October 2022.[90]At theABN AMRO Open he defeated top seed and world No. 3 Stefanos Tsitsipas taking his revenge for the Australian Open loss, for his biggest win ever.[91] Next in the quarterfinals, he defeatedStan Wawrinka in straight sets.[92] In the semifinals, he defeated home favoriteTallon Griekspoor to reach the final,[93] which he lost to sixth seedDaniil Medvedev.
In March, he played inIndian Wells where he defeatedRichard Gasquet,Adrian Mannarino, andStan Wawrinka all in straight sets to advance to the quarterfinals where he faced defending championTaylor Fritz and won in a three-set match. In the following round in the semifinals, he lost in straight sets to career rival and top seedCarlos Alcaraz who returned to world No. 1 following the tournament.[94] InMiami, he reached the quarterfinals of this tournament for a third straight year after defeatingGrigor Dimitrov andAndrey Rublev, thus returning to the top 10 in the rankings at world No. 9.[95] He then defeatedEmil Ruusuvuori to reach back-to-back semifinals,[96] where he again faced the defending champion Carlos Alcaraz, this time winning to reach his second Miami and career Masters final in three years,[97] putting an end to Alcaraz's hopes for a Sunshine Double and preventing him from returning to the No. 1 spot.[98] He lost to fourth seed Daniil Medvedev in straight sets in the final, extending his losing streak versus the Russian to 0–6.[99]
InMonte Carlo he reached a third consecutive Masters semifinal defeating compatriot and 16th seedLorenzo Musetti.[100] At theFrench Open, Sinner was upset in the second round byDaniel Altmaier in a five-set match despite serving for the match in the fourth set and having two match points.[101] At five hours and 26 minutes, it was the longest match of Sinner's career up until this point and the fifth-longest in the tournament history[102] as well as the second longest of the season afterAndy Murray againstThanasi Kokkinakis at the Australian Open.[103]
At theChina Open, he defeated world No. 2 Carlos Alcaraz, his fourth tour-level win against the Spaniard, to reach his fifth final of the season, where he defeated world No. 3 Daniil Medvedev for the first time at the seventh time of asking.[107] As a result, he climbed to a career-high world No. 4 to become the second Italian in the history of the ATP rankings to reach the Top 5, equalingAdriano Panatta.[108] At theShanghai Masters he lost in the round of 16 toBen Shelton.[109] He recorded his 55th win over Andrey Rublev to reach his fourth ATP 500 career final inVienna and became the first Italian man with the most wins for a season in the Open Era, surpassingCorrado Barazzutti's 54 mark in 1978.[110] He won the final defeating again top seed Daniil Medvedev to win his tenth ATP title, defeating him in two consecutive finals.[111]
On his debut at theATP Finals, Sinner won all of his round-robin matches, including beating the world No. 1 Novak Djokovic in a third set tiebreaker to clinch his fifth top-5 win in a row.[112][113] He ultimately lost in a rematch against Djokovic in the final.[114] He then made his debut in theDavis Cup, where he defeated Tallon Griekspoor in singles to help Italy win its quarterfinal tie against the Netherlands.[115] In the semifinal, Sinner faced Djokovic for the third time in 11 days, and become the first player to defeat him in a Davis Cup singles match sinceJuan Martín del Potro in 2011.[116] Sinner saved three consecutive match points in the third set to become only the fourth player to beat Djokovic from match points down and the first one to do so with three in a row.[117][118] He also became only the third player ever to defeat Djokovic twice in 12 days, alongside Rafael Nadal and Andy Murray.[119] Sinner then teamed up withLorenzo Sonego for the decisive doubles match, defeating Djokovic andMiomir Kecmanovic to clinch the tie and help Italy reach the Davis Cup final for the first time since 1998.[120] In the final, he defeated Australian Alex de Minaur to clinch the title for Italy for the second time after 47 years since 1976.[121] Sinner was awarded the Most Improved Player of the Year award and voted the Fans' Favorite at the 2023ATP Awards,[122][123] while his coaches,Darren Cahill andSimone Vagnozzi, won the Coach of the Year award.[124] Sinner also received the award for Best Tennis Player at the Supertennis Awards.[125]
Sinner started his year at theAustralian Open, where he beatBotic van de Zandschulp,Jesper de Jong,Sebastián Báez,Karen Khachanov, andAndrey Rublev (all in straight sets) to reach his second major semifinal and first at the Australian Open. In the semifinals, he upset world No. 1 and defending championNovak Djokovic to advance to his first major final, becoming the first player not to face a break point against Djokovic in a completed major match.[126] Sinner's victory over Djokovic was the latter's first defeat at the Australian Open since2018.[127] Sinner became the first Italian to reach the singles final at this major and the third man, afterAdriano Panatta at the1976 French Open andMatteo Berrettini at the2021 Wimbledon Championships, to reach a major final in the Open Era.[128][129] Inthe final, he came from a two-set deficit to beatDaniil Medvedev to become the first Italian to win the Australian Open singles title, and the third man to win a Major (the second of which in the Open Era), and the first in 48 years.[130][131] His victory over Medvedev meant he became the second player to win the Australian Open after losing the first two sets in the final, afterRafael Nadal, who also beat Medvedev in2022.
As the top seed at theRotterdam Open, he recorded his 200th singles win in the quarterfinals, afterMilos Raonic retired with a hip injury with Sinner leading by a set, becoming the first player born in the 2000s to accomplish this feat.[132][133][134] After defeatingTallon Griekspoor in the semifinal andAlex de Minaur in the final, Sinner rose to a new career high of No. 3 in the world, becoming the highest-ranked Italian player in history.[135] Sinner also became the first male player sinceLleyton Hewitt, in2001, to win his debut event as a major champion.[136] At the2024 BNP Paribas Open, with a victory over 25th seedJan-Lennard Struff to reach the fourth round, he recorded his 17th consecutive match win, the longest ATP level streak for an Italian player in the Open Era.[137] Sinner extended this to 19 consecutive wins (16–0 in 2024) by defeatingJiří Lehečka in the quarterfinal.[138] Prior to his semifinal defeat toCarlos Alcaraz, Sinner had won 36 of his previous 38 matches, dating back to the2023 China Open.[citation needed]
In March, Sinner played inIndian Wells, defeatingThanasi Kokkinakis,Jan-Lennard Struff,Ben Shelton, andJiří Lehečka (all in straight sets) to advance to the semifinals. In the semifinals, he lost toCarlos Alcaraz in three sets.[139] He also played indoubles withLorenzo Sonego, defeatingKaren Khachanov andAndrey Rublev in the first round in straight sets. In the second round, they lost toMarcel Granollers andHoracio Zeballos in straight sets. Later in the year, Sinner had his prize money and ranking points earned in Indian Wells forfeited by a tribunal in relation to a "no fault or negligence" anti-doping rule violation.[140] At the2024 Miami Open, Sinner defeatedGrigor Dimitrov in the final to win his second Master's 1000 title. As a result, he climbed to a career high (and Italian record) ranking of No. 2 in the world.[141][142] Sinner improved his 2024 ATP match record to 22–1.[143]
Sinner'sclay season saw his second defeat of the season, toStefanos Tsitsipas at theMonte-Carlo Masters, in April. In May, Sinner withdrew from theMadrid Masters, at the quarterfinal stage, due to a hip injury.[144] Three days later, he withdrew from theItalian Open due to the same injury.[145] After Novak Djokovic withdrew from the2024 French Open on 4 June and following the conclusion of the tournament, Sinner becameworld No. 1 for the first time on 10 June.[146][147][148] He became the first Italian to hold the top position in the rankings.[149] Sinner lost in the semifinal to Alcaraz in five sets.[150]
On 20 August, an independent tribunal announced that Sinner had positive results for the banned substanceclostebol in separate tests from March 2024.[159] The tribunal accepted Sinner's explanation that the clostebol had entered his body via massages administered by his physiotherapist, who had used a treatment which contained clostebol to treat an injury on his own hands. In August 2024, Sinner announced that he had parted ways with his fitness coach Umberto Ferrara and physio Giacomo Naldi.[160] The decision by the tribunal was to determine that Sinner bore "no fault or negligence" and no period of ineligibility would apply, but that he would forfeit prize money and ranking points earned at the Indian Wells tournament held in March.[161][162][163] TheWorld Anti-Doping Agency appealed the decision, and in February 2025 the appeal reached a settlement under which the positive drug tests were determined to be due to inadvertent contamination and Sinner was suspended for three months.[164] The overall process was criticized by some active and former players.[165][166][167]
Sinner won his second major at the2024 US Open, defeating 5th seed Daniil Medvedev in the quarterfinals, getting revenge for his previous Wimbledon loss, 25th seedJack Draper in the semifinals, and 12th seedTaylor Fritz in the final.[168] He became the fourth man in more than 50 years to win his first two major titles in the same season. At the post-match ceremony, Sinner dedicated his win to his aunt.[169] At age 23, Sinner became the youngest man ever to win both hard-court majors in the same year.[citation needed]
After defeatingTomáš Machač in the2024 Shanghai Masters semifinal, Sinner was confirmed as theyear-end world No.1, becoming the first Italian player in history to achieve this ranking.[171][172] Sinner then went on to win the championship against Novak Djokovic in straight sets to win his third Masters 1000 title of the year, becoming the tournament's youngest-ever champion, and seventh overall title of 2024.[173] In November, Sinner won theseason's ATP Finals in Turin, Italy, by defeating Fritz.[174] It was the first time sinceIvan Lendl in1986 in which a player won the trophy without losing any set, and the first time ever in which an Italian player won the title.[174][175]
He ended the 2024 season by defeating Netherlands'Tallon Griekspoor in the Davis Cup final, to win Italy's second consecutive title.[176] Sinner completed the entire season without a single straight-set defeat, becoming only the second man in the Open Era (Federer in 2005) to achieve this feat over a full year.[177]
2025: Australian and Wimbledon titles, 300th match win
For his 2024 positive test for Clostebol, theWorld Anti-Doping Agency (WADA) announced in February 2025 they entered a "case resolution agreement" with Sinner.[183][184] WADA accepted the cause and explanation of the positive test but stated "an athlete bears responsibility for the entourage's negligence".[185][186] A three-month suspension was handed down with Sinner being ineligible from tennis competition from 9 February to 4 May 2025.[187][188] Some players reacted with criticism of the process, including Novak Djokovic who, at a press conference at the2025 Qatar Open, expressed the opinion that "the majority of the players feel like there is favouritism happening" citing the advantages that high ranked players have to rapid legal advice.[189] Sinner's lawyerJamie Singer was vocal of the criticism, speaking out against what he said was ill-informed commentary about the process and the suspension itself.[190][191]
In May 2025, Sinner played his first tournament since his suspension at theItalian Open, where he reached the final. In doing so, he became the first Italian man to reach the final of the Italian Open sinceAdriano Panatta in1978. Sinner was then defeated in the final byCarlos Alcaraz in straight sets.[192] At theFrench Open, he reached the final without losing a set en route, including againstNovak Djokovic in the semifinals.[193] Sinner then played and lost an epicfinal, the longest in French Open history, to Alcaraz,[194][195] despite having been up two sets and holding three championship points.
After deciding to skip, like several other top players, the tournaments inWashington andToronto due to the excessively congested calendar,[197] Sinner reached the final of theCincinnati Masters 1000, where he faced again Carlos Alcaraz, but retired before the end of the first set due to illness problems, having contracted a virus in the previous days.[198]
In the following two weeks, he again reached the final of theUS Open, playing his fifth consecutive Grand Slam final, but was defeated in four sets by Carlos Alcaraz.[199]
He then reached the final of the ATP 500 inBeijing for the third consecutive time, winning in straight sets against the AmericanLearner Tien and conquering his third title of the season.[200]
He then began his European indoor tour by winning theVienna Open, defeatingAlexander Zverev in the final in a three-set comeback match. It was his fourth title of the season.[202] He finally won in theParis Masters, where he defeated CanadianFelix Auger-Aliassime, without dropping a set during the tournament. He became the first Italian to win the tournament.
Sinner then successfully defended his title at the2025 ATP Finals, winning all of his round-robin matches, defeatingAlex de Minaur in the semifinals and defeating Alcaraz in the final, and not dropping a set during the tournament for thesecond year in a row, becoming the only player to win the Finals without dropping a set for multiple years in a row, and suffering only one break in the entire tournament. Sinner also became the third player, afterFederer andDjokovic, and the youngest, to reach the final of every Slam and the Finals in the same season.
Jannik Sinner andCarlos Alcaraz have faced each other 16 times since 2021, with Sinner trailing the rivalry 6–10.[203][204][205] Their rivalry has been described as "potentially era-defining".[206]
Before 2025, the duo already played several high-profile matches, such as the2024 French Open semifinal, which Alcaraz won in five sets, the2022 US Open quarterfinal, which Sinner lost in five sets afterholding a match point against the eventual champion,[207] and the2023 Miami semifinal, won by Sinner. The pair met three times on the tour in2024, with Sinner losing all three matches, notably their third meeting at the2024 China Open.[170] The pair faced each other for the first time in2025 at theItalian Open final with Sinner losing in straight sets. The two then played each other inmajor finals for the first time that year. At theFrench Open, Sinner lost in five sets despite winning the first two and holding three match points in the fourth set. AtWimbledon, Sinner won in four sets and dethroned two-time defending champion Alcaraz.[208] At the US Open Alacaraz beat Sinner in four sets, leaving each other with two grand slam titles each for 2025.
Sinner at the 2025 ATP Finals beat Alcaraz in two sets to retain the title, ending the year at number two and number one respectively on the ATP tour ranking[209].
Daniil Medvedev
Jannik Sinner andDaniil Medvedev have met 15 times since 2020, with Sinner leading the rivalry 8–7.[210] The rivalry used to be one-sided in favor of Medvedev, with the Russian winning their first six matches. Sinner disrupted this streak in late 2023 by winning the next five, and eventually leveling the head-to-head. The two have played a number of high-profile matches, most notably the2024 Australian Open final, which Sinner won in five sets after being down two-sets-to-love to claim his firstmajor title. They met again in the2024 Wimbledon quarterfinals, which Medvedev won in five sets, and the2024 US Open quarterfinal, which Sinner won in four sets en route to the title.[211]
Sinner is anaggressive baseliner and is one of the hardest hitters on the ATP tour. Sinner'sgroundstroke strength is his two-handed-backhand, which he hits with more topspin than any other player on the tour, registering an average of 1858 revolutions per minute on the shot along with the fifth-best average speed of 111.2 km/h (69.1 mph).[217]
Sinner has been compared toRoger Federer for his calm on-court demeanour and all-court movement.[11][14][19] Federer himself has praised Sinner for the balance in his game, remarking, "What I like about him is that he almost has the same speed of shooting from the forehand and backhand."[13] Former world No. 1 junior and tennis coachClaudio Pistolesi has praised Sinner's good lateral movement, which he attributes in part to Sinner's background in skiing.[218] In this regard, Sinner has been compared toNovak Djokovic, who also credits a background in skiing for improving his tennis skills.[219]
Sinner plays withcontact lenses and has stated that he cannot even see the ball without them.[220]
Coaches and team
When Sinner began to prioritise tennis at age thirteen, he was coached byRiccardo Piatti, who had also been a part-time coach ofNovak Djokovic andMilos Raonic.[19] At the time, he also began working with Andrea Volpini and Massimo Sartori, the latter of whom was a longtime coach ofAndreas Seppi.[221] He continued to work with Piatti as his primary coach, and Volpini as his second coach. His team also consisted ofphysiotherapist Claudio Zimaglia and fitness coach Dalibor Širola.[17]
In February 2022, he ended his long collaboration with Piatti and his team and began to train withSimone Vagnozzi, ex-coach ofMarco Cecchinato, new fitness coach Umberto Ferrara and physiotherapist.[18][222][223] In July 2022, coachDarren Cahill officially joined Sinner's team.[224] Instead of hiring a mental coach like other tennis players, Sinner uses Formula Medicine, an Italian mental training program developed forFormula 1 drivers.[225] In early 2023, he hired Giacomo Naldi as his personal physiotherapist.[226] In September 2024, he replaced Ferrara and Naldi with Novak Djokovic's former fitness trainer Marco Panichi and physiotherapist Ulises Badio. He also works withosteopath Andrea Cipolla.[227] On 23 July 2025, Sinner announced that he had reappointed his former fitness trainer Umberto Ferrara as his fitness coach with immediate effect.[228]Sinner's father, achef, cooks for the team at major tournaments.[229]
Off the court
Sponsorships, endorsements and other ventures
At age 17, Sinner signed sponsorship deals withNike andHead in 2019 for tennis footwear, apparel, and equipment.[230] In 2020, when he was eighteen years old and not yet in the top 50 of the ATP rankings, Sinner signed a global ambassador contract withRolex.[231] In October that year, when he was ranked no. 46, he signed a sponsorship contract withAlfa Romeo.[232] In 2021, he signed withIntesa Sanpaolo. In 2022, Sinner signed a new $150 million sponsorship contract withNike spanning ten years[233] and became the face ofGucci[234] andLavazza.[230] In 2023, Sinner signed a partnership withFormula 1 to help attract a young, diverse audience to the motorsport.[235] In 2024,L’Oréal’s skincare brandLa-Roche Posay appointed Sinner as their global brand advocate to help raise awareness aboutsun protection.[236] Some of his other sponsors includeFASTWEB,[237]De Cecco,[238]Panini Comics,[239]Technogym,[240]Enervit,[241]Parmigiano Reggiano,[242] and Pigna.[243] In August 2025, Sinner was named a global brand ambassador for theExplora Journeys.[244][245]
During theCOVID-19 pandemic in 2020, Sinner launched his mental health initiative "What's Kept You Moving", a series in which he interviewed other young athletes about overcoming mental health challenges in sports.[246] In 2022, Sinner became the face of the "An Ace for Research" initiative forcancer research, committing to a donation for the purchase of modern lasers to diagnosecancers in men for everyace he scored in theATP Finals, and later visited the research laboratories at The Candiolo Cancer Institute.[247][248][249]
He ventured into the investment world in 2022, diversifying his assets through four different companies that he registered in his place of residence,Monte Carlo. His real estate company owns properties atCorso Venezia in the historic centre ofMilan.[250]
In 2022, Sinner released thecomic bookPiccoli grandi campioni: Il manuale illustrato del tennis di Jannik Sinner throughPanini Comics, an illustrated tennis manual for children in which an illustrated character of Sinner explains tennis and gives advice to beginners.[251]
In September 2024, Sinner was announced as the ambassador for the2026 Winter Olympics volunteer program.[252]
Philanthropy
In April 2025, Sinner announced the launch of the Jannik Sinner Foundation, a non-profit organization with the aim of empowering children around the globe through education and sports.[253][254][255][256]
In the media and popular culture
Jannik Sinner's logo
Sinner's nickname is TheFox, which inspired the design of his logo.[18][257] A group of his Italian fans called the Carota Boys has garnered wide media attention for supporting him at major tournaments around the world dressed in carrot costumes.[258][259]
Sinner has been the subject of incessant media attention in Italy and has been credited with the surge in the popularity of tennis in the country.[260][261] It has been referred to as the Sinner Effect.[262][263][264] Following his Davis Cup and Australian Open titles, Sinner was honored by the Prime Minister of Italy,Giorgia Meloni, inChigi Palace in Rome and met with the President of Italy,Sergio Mattarella. Italy's Minister of Foreign Affairs,Antonio Tajani, appointed Sinner asAmbassador of Sports Diplomacy.[265] Sinner subsequently declined an official invitation supported by the Prime Minister to appear at Italy'sSanremo Music Festival. The invitation caused controversy and public debate, with the president of TheItalian Tennis Federation publicly advising Sinner against accepting it, stating that he must be protected from excessive media exposure and "should not be exploited".[266][267] In June 2024, he receivedhonorary citizenship ofSexten where he grew up.[268] In Italy, Sinner has been labeled "the atypical Italian" by media outlets, a description he has agreed with.[269][270]
During the 2023 Wimbledon, Sinner enteredCentre Court carrying a monogrammed beige leather Gucci duffel bag, breaking Wimbledon's all-white dress code, which made him the first tennis player to do so.[271] The accessory prompted worldwide media coverage and commentary, withCNN pondering whether Sinner's bag signals a shift in Wimbledon's strict traditions.[272]
In 2022, Sinner hostedBreaking Points, a video series created byGQ where he interviewed sports icons about mental health.[273] In 2023, he was featured inGQ’s short film seriesA Hero’s Journey, released also as a podcast.[274][275]
The Times has described Sinner as "the Gucci model with a shock of red hair and a surprisingly gangly frame".[276]
On 15 May 2024, a book titledDiventare Sinner, written by Enzo Anderloni, Michelangelo Dell'Edera and Alessandro Mastroluca in collaboration with theItalian Tennis Federation was published byGiunti Editore. It follows Sinner's evolution from a junior ski champion to a professional tennis player and major champion.[277][278]
Sinner's first language is German.[283] His Italian greatly improved after moving toBordighera at the age of 13,[284][285] and he also speaks English.[286] Sinner resides inMonte Carlo inMonaco,[8] where he moved at the age of 18.[287]
One of his tennis idols is compatriotAndreas Seppi, who is also fromSouth Tyrol. At age 17, Sinner stated that one of his goals was to "do better than [Seppi]".[25]
He was in a relationship with Italian model Maria Braccini from 2020 to 2024.[288] Beginning in June 2024, he was in a relationship with Russian tennis playerAnna Kalinskaya.[289] In May 2025, Sinner confirmed they had broken up.[290]
Won two consecutive ATP Finals without dropping a set[302]
Stands Alone
Jannik Sinner co-shares with Novak Djokovic, Roger Federer, and Rod Laver the Open Era record for reaching the finals of all four Grand Slam tournaments in a single year (2025)[303]
Awards and honours
Sinner has received the following awards and honours:
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