Argentine tennis player (born 2000)
Sebastián Báez (Spanish pronunciation: [seβasˈtjam ˈbaes] ;[ a] born 28 December 2000) is an Argentine professionaltennis player. He has a career-highATP singles ranking of world No. 18, achieved on 24 June 2024 and a doubles ranking of No. 189, achieved on 29 July 2024. Báez has won sevenATP Tour singles titles.[ 2] He is currently the No. 2 singles player from Argentina.[ 3]
2018: Top Junior ranking [ edit ] Báez became the top-ranked junior in theITF combined ranking on 12 March 2018.
2021: ATP debut, six Challenger titles, NextGen finals & top 100[ edit ] Báez made his ATP debut at the2021 Chile Open where he lost to2019 Junior French Open championHolger Rune in straight sets.
He earned his first tour-level win at the2021 Hamburg European Open , where he defeated FrenchmanCorentin Moutet in the first round.
Báez became the youngest player in history to claim five ATP Challenger Tour titles in a season, lifting the trophy in Concepción (d. F. Cerundolo), Santiago (d. Barrios Vera), Zagreb (d. Varillas), Santiago-3 (d. Meligeni Rodrigues Alves) and Buenos Aires (d. Monteiro). He qualified for the2021 Next Generation ATP Finals in Milan after the withdrawal ofJenson Brooksby due to an abdominal injury.[ 4] Baez advanced to the semifinals with wins over third seedLorenzo Musetti and eighth seedHugo Gaston . He lost in the semifinals against top seedCarlos Alcaraz .[ 5] [ 6] [ 7]
He reached the top 100 for the first time in his career at World No. 97 in the ATP year-end rankings on 22 November 2021 after winning his sixth Challenger inCampinas , Brazil.[ 8]
2022: Major debut & first wins, Maiden title & Top-10 win, Top 35[ edit ] Baez started the year in the2022 Melbourne Summer Set 1 where he lost in the final round of qualifying and got in the main draw as alucky loser . He was defeated byEmil Ruusuvuori in straight sets on the first round. The following week at the2022 Sydney International , Baez got entry as a qualifier and defeatedChristopher O'Connell in three sets. He lost in the second round toLorenzo Sonego .
On his debut at the2022 Australian Open he defeatedAlbert Ramos Viñolas for his first Grand Slam win in his career. In the second round he faced a top-10 opponent for the first time in his career, World No. 4Stefanos Tsitsipas . He lost in four sets in a hard-fought match. As a result, he entered the top 80 at World No. 77 on 31 January 2022.
He reached his first ATP-level quarterfinal at the2022 Córdoba Open , defeatingFernando Verdasco and World No. 18 and third seedCristian Garín .[ 9] Baez received a wildcard in his hometown tournament, the2022 Argentina Open , where he defeatedHolger Rune and lost again toLorenzo Sonego in the second round. The following week at the2022 Rio Open , he surpassed the qualyifing stages with three-set wins againstNikola Milojević andYannick Hanfmann . He was defeated byThiago Monteiro in the first round.
At the2022 Chile Open Baez was the 7th seed, the first time he was seeded in an ATP tournament. He reached his maidenATP Tour final, defeatingJuan Pablo Varillas , fellow countrymanJuan Ignacio Londero ,Thiago Monteiro andAlbert Ramos Viñolas in the semifinals.[ 10] He lost toPedro Martínez in the final. As a result, he reached the top 60 on 7 March 2022.
At the2022 Estoril Open Baez reached the second semifinal of the season defeating third seedMarin Čilić andRichard Gasquet en route.[ 11] As a result of reaching the semifinals, he debuted in the top 50.[ 12] [ 13] Next he defeatedAlbert Ramos Viñolas to reach his second final of the season and of his career.[ 14] He won his maiden title defeating third seedFrances Tiafoe and moved into the top 40 on 2 May 2022.[ 15]
He made his debut at the2022 French Open and at the2022 Wimbledon Championships and won his first match at each of the Majors defeatingDušan Lajović andTaro Daniel respectively.
He reached his third final at the2022 Swedish Open in Båstad with a win over second seed, top-10 playerAndrey Rublev ,[ 16] where he lost to compatriotFrancisco Cerúndolo .[ 17] He reached a career-high ranking of No. 32 on 18 July 2022.
In October seeded sixth, he defeated No. 50Lorenzo Sonego at the2022 Tennis Napoli Cup and snapped an 11-match losing streak.[ 18]
2023: Three ATP titles, top 30, US Open third round[ edit ] In February, he won the second title of his career at theCórdoba Open in Argentina, defeatingLuciano Darderi ,Tomás Barrios Vera ,Hugo Dellien , and compatriotFederico Coria on clay.[ 19]
He reached the top 30 in the rankings on 17 April 2023 following the2023 Monte-Carlo Masters .
In August, Báez won the third and fourth titles of his career as part of a ten-match winning streak. He won the singles title at theAustrian Open Kitzbühel on clay, defeatingDominic Thiem in the final in straight sets.[ 20] [ 21] Next, he won the singles title at the2023 Winston-Salem Open on hardcourts, defeatingJiří Lehečka in the final also in straight sets.[ 22] [ 23]
At theUS Open he reached the third round of a Major for the first time defeating 27th seedBorna Ćorić andFelipe Meligeni Alves [ 24] before losing to eventual finalist and third seedDaniil Medvedev .[ 25]
2024–2025: First Rio repeat champion, Latin American No. 1, top 20, 100th win[ edit ] Following the2024 Australian Open where he reached a Grand Slam third round for the second time in his career, he moved to a new career-high into the top 25 in the singles rankings.As the defending champion, at the2024 Córdoba Open , he reached the semifinals for a second consecutive year[ 26] but lost to qualifierLuciano Darderi . Seeded fifth, he reached the biggest final of his career at the2024 Rio Open defeating fourth seed and compatriotFrancisco Cerúndolo .[ 27] [ 28] He won his fifth and biggest title defeating qualifier and first time ATP finalist, compatriotMariano Navone .[ 29] As a result he moved to a new career-high ranking of world No. 21 on 26 February 2024.The following week, at the2024 Chile Open he won his second title of the season defeating home favoriteAlejandro Tabilo . Báez became the Latin American No. 1 player when he reached a new career-high ranking in the top 20 of world No. 19 on 4 March 2024, overtaking Francisco Cerúndolo. He was one of only 20 Argentines ever to reach said heights.[ 30] [ 31] [ 32]
Seeded fifth again at the2025 Rio Open , Báez reached back-to-back finals becoming just the third player to reach multiple finals in tournament history afterDiego Schwartzman andCarlos Alcaraz .[ 33] [ 34] He successfully defended his title againstAlexandre Muller to become the first Rio champion to win the title twice, and in consecutive years.[ 35] [ 36] At the next Golden Swing tournament2025 Chile Open , Báez reached the quarterfinals defeating his compatriotFrancisco Comesana with whom he shares the same coach.[ 1] [ 37] Next he defeatedDamir Džumhur to reach the semifinals. Baez went on to reach back-to-back finals recording his 100th career win in the process, over compatriotCamilo Ugo Carabelli , the first South American, born in the 2000s, to accomplish the feat.[ 38] [ 39]
Performance timeline [ edit ] (W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (DNQ) did not qualify; (A) absent; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.
Current through the2025 Shanghai .
Singles: 11 (7 titles, 4 runner-ups)[ edit ] Finals by surface Hard (1–0) Clay (6–4) Grass (0–0)
Finals by setting Outdoor (7–4) Indoor (0–0)
Result W–L Date Tournament Tier Surface Opponent Score Loss 0–1 Feb 2022 Chile Open , ChileATP 250 Clay Pedro Martínez 6–4, 4–6, 4–6 Win 1–1 Apr 2022 Estoril Open , PortugalATP 250 Clay Frances Tiafoe 6–3, 6–2 Loss 1–2 Jul 2022 Swedish Open , SwedenATP 250 Clay Francisco Cerúndolo 6–7(4–7) , 2–6 Win 2–2 Feb 2023 Córdoba Open , ArgentinaATP 250 Clay Federico Coria 6–1, 3–6, 6–3 Win 3–2 Aug 2023 Austrian Open , AustriaATP 250 Clay Dominic Thiem 6–3, 6–1 Win 4–2 Aug 2023 Winston-Salem Open , USATP 250 Hard Jiří Lehečka 6–4, 6–3 Win 5–2 Feb 2024 Rio Open , BrazilATP 500 Clay Mariano Navone 6–2, 6–1 Win 6–2 Mar 2024 Chile Open, Chile ATP 250 Clay Alejandro Tabilo 3–6, 6–0, 6–4 Win 7–2 Feb 2025 Rio Open, Brazil(2) ATP 500 Clay Alexandre Müller 6–2, 6–3 Loss 7–3 Feb 2025 Chile Open, Chile ATP 250 Clay Laslo Djere 4–6, 6–3, 5–7 Loss 7–4 Apr 2025 Țiriac Open , RomaniaATP 250 Clay Flavio Cobolli 4–6, 4–6
ATP Challenger Tour finals [ edit ] Singles: 9 (6 titles, 3 runner-ups)[ edit ] Legend ATP Challenger Tour (6–3)
Finals by surface Hard (0–0) Clay (6–3)
Result W–L Date Tournament Tier Surface Opponent Score Win 1–0 Feb 2021 Challenger Concepción , ChileChallenger Clay Francisco Cerúndolo 6–3, 6–7(5–7) , 7–6(7–5) Win 2–0 Mar 2021 Challenger de Santiago , ChileChallenger Clay Tomás Barrios Vera 6–3, 7–6(7–4) Win 3–0 May 2021 Zagreb Open , CroatiaChallenger Clay Juan Pablo Varillas 3–6, 6–3, 6–1 Loss 3–1 June 2021 Slovak Open , SlovakiaChallenger Clay Tallon Griekspoor 6–7(6–8) , 3–6 Loss 3–2 Sep 2021 Kyiv Open , UkraineChallenger Clay Franco Agamenone 5–7, 2–6 Loss 3–3 Oct 2021 Challenger de Santiago II , ChileChallenger Clay Juan Pablo Varillas4–6, 5–7 Win 4–3 Oct 2021 Challenger de Santiago III , ChileChallenger Clay Felipe Meligeni Alves 3–6, 7–6(8–6) , 6–1 Win 5–3 Oct 2021 Buenos Aires Challenger , ArgentinaChallenger Clay Thiago Monteiro 6–4, 6–0 Win 6–3 Nov 2021 Internacional de Campinas , BrazilChallenger Clay Thiago Monteiro6–1, 6–4
ITF Futures/World Tennis Tour finals[ edit ] Singles: 8 (5 titles, 3 runner-ups)[ edit ] Finals by surface Hard (1–0) Clay (4–3)
Result W–L Date Tournament Tier Surface Opponent Score Win 1–0 Apr 2019 M15 Buenos Aires, Argentina WTT Clay Agustín Velotti 6–4, 6–0 Win 2–0 Jun 2019 M15 Tabarka, Tunisia WTT Clay Alexander Weis6–2, 6–4 Loss 2–1 Jul 2019 M15 Tabarka, Tunisia WTT Clay Enrico Dalla Valle 6–3, 4–6, 4–6 Win 3–1 Jul 2019 M15 Tabarka, Tunisia WTT Clay Alexander Weis6–2, 6–2 Loss 3–2 Sep 2019 M15 Santiago, Chile WTT Clay Juan Manuel Cerúndolo 1–6, 6–2, 3–6 Win 4–2 Oct 2019 M25 Rio de Janeiro, Brazil WTT Clay Tomás Martín Etcheverry 4–6, 6–4, 4–1 ret. Win 5–2 Jan 2020 M15 Monastir, Tunisia WTT Hard Gauthier Onclin 6–1, 6–2 Loss 5–3 Sep 2020 M25 Prague, Czech Republic WTT Clay Jiří Lehečka 6–3, 3–6, 4–6
Doubles: 3 (1 title, 2 runner-ups)[ edit ] Legend ITF Futures/WTT (1–2)
Junior Grand Slam finals [ edit ] Singles: 1 (runner-up)[ edit ] Wins over top 10 players [ edit ] Báez has a 1–16 record against players who were, at the time the match was played, ranked in the top 10.[ 40] Season 2022 2023 2024 2025 Total Wins 1 0 0 0 1
Longest winning streaks [ edit ] 12-match win streak (2023)[ edit ] No. Tournament Tier Start date Surface Rd Opponent Rk Score – Hamburg Open ATP 500 23 July 2023 Clay 1R Casper Ruud (1) 4 3–6, 6–1, 3–6 1 Generali Open Kitzbühel ATP 250 31 July 2023 Clay 1R Hamad Medjedovic (Q) 168 6–4, 6–2 2 2R Roberto Carballés Baena 64 6–1, 6–2 3 QF Alex Molčan 81 6–4, 6–3 4 SF Tomás Martín Etcheverry (1) 34 7–6(7–5) , 3–6, 6–4 5 F Dominic Thiem (WC) 94 6–3, 6–1 – Winston-Salem Open ATP 250 20 August 2023 Hard 1R Bye 6 2R Daniel Elahi Galán 67 3–6, 6–4, 6–4 7 3R Aleksandar Vukic (9) 48 6–4, 4–6, 6–4 8 QF Laslo Djere (4) 34 6–3, 6–0 9 SF Borna Ćorić (1) 16 6–3, 6–7(4–7) , 7–6(7–2) 10 F Jiří Lehečka (5) 35 6–4, 6–3 11 US Open Grand Slam 28 August 2023 Hard 1R Borna Ćorić (27) 23 7–5, 7–5, 6–1 12 2R Felipe Meligeni Alves (Q) 168 6–7(7–9) , 6–4, 6–4, ret. – 3R Daniil Medvedev (3) 3 2–6, 2–6, 6–7(6–8) Sources: [ 42]
10-match win streak (2024)[ edit ] No. Tournament Tier Start date Surface Rd Opponent Rk Score – Argentina Open ATP 250 12 February 2024 Clay QF Federico Coria (SE) 106 1–6, 4–6 1 Rio Open ATP 500 19 February 2024 Clay 1R Corentin Moutet (Q) 147 6–4, 6–3 2 2R Facundo Díaz Acosta 59 7–6(7–1) , 6–1 3 QF Thiago Monteiro (WC) 117 6–4, 1–6, 6–2 4 SF Francisco Cerúndolo (4) 22 7–5, 6–0 5 F Mariano Navone (Q) 113 6–2, 6–1 – Chile Open ATP 250 24 February 2024 Clay 1R Bye 6 2R Juan Pablo Varillas 119 4–6, 6–4, 6–2 7 QF Jaume Munar 70 6–4, 6–4 8 SF Pedro Martínez 101 6–4, 6–2 9 F Alejandro Tabilo (4) 51 3–6, 6–0, 6–4 – Indian Wells Masters ATP 1000 6 March 2024 Hard 1R Bye 10 2R Fabio Fognini (WC) 108 7–5, 6–3 3R Taylor Fritz (12) 12 2–6, 2–6 Sources: [ 43]
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