![]() Tseng at the2023 Wimbledon Championships | |
Country (sports) | Taiwan |
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Residence | Taipei, Taiwan |
Born | (2001-08-08)8 August 2001 (age 23) Taipei, Taiwan |
Height | 1.75 m (5 ft 9 in) |
Turned pro | 2019 |
Plays | Right-handed (two-handed backhand) |
Coach | Benjamin Ebrahimzadeh |
Prize money | US$1,011,472 |
Singles | |
Career record | 15–27 |
Career titles | 0 |
Highest ranking | No. 83 (8 August 2022) |
Current ranking | No. 99 (24 February 2025)[1] |
Grand Slam singles results | |
Australian Open | 1R (2022,2023) |
French Open | 1R (2022) |
Wimbledon | 1R (2022) |
US Open | 1R (2022) |
Doubles | |
Career record | 3–2 |
Career titles | 0 |
Highest ranking | No. 305 (8 August 2022) |
Current ranking | No. 630 (9 December 2024) |
Last updated on: 10 December 2024. |
Tseng Chun-hsin | |||||||
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Traditional Chinese | 曾俊欣 | ||||||
Simplified Chinese | 曾俊欣 | ||||||
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Medal record | ||
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Men'sTennis | ||
Representing![]() | ||
Summer Universiade | ||
![]() | 2019 Naples | Men's singles |
![]() | 2019 Naples | Men's Team |
Tseng Chun-hsin (Chinese:曾俊欣;pinyin:Zēng Jùnxīn; born 8 August 2001), also known asJason Tseng,[2] is aTaiwanese tennis player.He has a career-high singles ranking of world No. 83 by theATP, achieved on 8 August 2022.[1] Tseng is currently the No. 1 Taiwanese player.[3]
He was also theITF junior No. 1, first reaching this ranking on 11 June 2018 after winning theFrench Open Boys' Singles. He is also part of theChinese Taipei Davis Cup team since 2018, with a W/L record of 1–0.
Tseng began playing tennis at the age of five with his father, who worked at a night market in Taiwan.[4][5] He first trained in an elementary school team located in Yonghe District,New Taipei City.[6]
He is nicknamed "the Night Market Champion" (Chinese:夜市球王) by the Taiwanese media as his parents used to sellTanghulu at theLehua Night Market in New Taipei City in order to support his tennis career.[4][7][8]
He continued his training at theMouratoglou Tennis Academy in France from age 13 to 17.[9] During that period, he won singles title at thePetits As in 2015.[10]
In 2018, He won his first ITF Futures event in Vietnam.[11] He won the boys' singles title at the French Open and claimed the Wimbledon boys' singles title in the following month.[12]
He made his ATP debut at the2019 Miami Open as a wildcard.
In the2019 Summer Universiade, Tseng won the gold medal inmen's singles.[13]
In December 2021, Tseng won his first ATP Challenger title inMaia, Portugal.[14][15] He made his debut in the top 200 at world No. 188 on 20 December 2021.
He made his Grand Slam debut at the2022 Australian Open where he received a wildcard.[16][17]
The following month in February 2022, Tseng won his second ATP Challenger title inBangalore, India.[18] In April 2022, Tseng won his third ATP Challenger title inMurcia, Spain.[19] He reached a career-high ranking of world No. 110 on 16 May 2022.[1]
He qualified for his second Grand Slam tournament at the2022 French Open to make his debut at this major.[20] He lost in the first round in five sets in a match that lasted 4 hours 23 minutes againstJoão Sousa.[21]
As a result of reaching the semifinals inBratislava, Tseng made his debut in the top 100, at No. 97 on 13 June 2022.[1]
He participated in the2022 Next Generation ATP Finals as the sixth seed.[22]
Ranked No. 380, he made his debut in qualifying at the Masters 1000, the2023 Rolex Shanghai Masters. He qualified for the main draw and defeatedAlexander Shevchenko on his debut at this tournament, recording his first Masters win. As a result, he moved close to 80 positions back up, one position shy of the top 300 on 16 October 2023.[1]
In March 2024, he won his fourth Challenger at theKiskút Open in Szekesfehevar, Hungary and returned to the top 250 on 18 March 2024.[23]
Following his fifth Challenger title at the2024 Internazionali di Tennis Città di Vicenza in June,[24] and a final showing at the2024 UniCredit Czech Open in Prostejov,[25] he moved again 80 positions back up and returned to the top 175 on 10 June 2024.[1]
Ranked No. 159, he entered the second round of the main draw at theCroatia Open as a lucky loser replacing third seedHolger Rune and defeatedFabio Fognini to reach his first ATP Tour quarterfinal.[26][27] Three weeks later he reached the final at the2024 San Marino Open, losing toAlexandre Müller in a deciding set tiebreak.[28] As a result, two weeks later, he returned to the top 115 on 19 August 2024.[1]
Following a second ATP career quarterfinal showing at the ATP 5002025 Rio Open where he qualified and defeated third seedAlejandro Tabilo, his biggest and first top-50 win,[29][30] and local wildcard and favoriteThiago Monteiro, Tseng returned to the top 100 in the rankings on 24 February 2025.[31][32][1] Tseng was only the second player representing Chinese Taipei to reach an ATP 500 quarterfinal, alongsideYen-Hsun Lu.[33]
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Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
---|---|---|---|---|---|---|---|
Win | 1–0 | May 2018 | Vietnam F1,Thừa Thiên Huế | Futures | Hard | ![]() | 6–3, 7–6(7–0) |
Win | 2–0 | Jun 2018 | Portugal F9,Póvoa de Varzim | Futures | Hard | ![]() | 6–3, 6–4 |
Win | 3–0 | Jul 2018 | Chinese Taipei F2,Taipei | Futures | Hard | ![]() | 6–1, 6–7(5–7), 7–6(7–1) |
Loss | 3–1 | Jul 2019 | Prague, Czech Republic | Challenger | Clay | ![]() | 4–6, 2–6 |
Loss | 3–2 | Oct 2020 | M25Hamburg, Germany | World Tennis Tour | Clay | ![]() | 4–6, 6–7(4–7) |
Win | 4–2 | Aug 2021 | M25Pitești, Romania | World Tennis Tour | Clay | ![]() | 6–3, 3–6, 6–0 |
Loss | 4–3 | Dec 2021 | Maia, Portugal | Challenger | Clay (i) | ![]() | 6–3, 3–6, 2–6 |
Win | 5–3 | Dec 2021 | Maia, Portugal | Challenger | Clay (i) | ![]() | 5–7, 7–5, 6–2 |
Win | 6–3 | Feb 2022 | Bengaluru, India | Challenger | Hard | ![]() | 6–4, 7–5 |
Loss | 6–4 | Mar 2022 | Roseto degli Abruzzi, Italy | Challenger | Clay | ![]() | 1–6, 2–6 |
Win | 7–4 | Apr 2022 | Murcia, Spain | Challenger | Clay | ![]() | 6–4, 6–1 |
Win | 8–4 | Mar 2024 | Székesfehérvár, Hungary | Challenger | Clay | ![]() | 4–1 ret. |
Win | 9–4 | May 2024 | Vicenza, Italy | Challenger | Clay | ![]() | 6–3, 6–2 |
Loss | 9–5 | Jun 2024 | Prostějov, Czech Republic | Challenger | Clay | ![]() | 2–6, 6–3, 2–6 |
Loss | 9–6 | Jul 2024 | San Marino, San Marino | Challenger | Clay | ![]() | 3–6, 6–4, 6–7(3-7) |
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Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
---|---|---|---|---|---|---|---|---|
Win | 1–0 | Aug 2021 | M25Pitești, Romania | World Tennis Tour | Clay | ![]() | ![]() ![]() | 4–6, 6–2, [10–8] |
Win | 1–0 | Apr 2024 | Barletta, Italy | Challenger | Clay | ![]() | ![]() ![]() | 1–6, 6–3, [10–7] |
Result | Year | Tournament | Surface | Opponent | Score |
---|---|---|---|---|---|
Loss | 2018 | Australian Open | Hard | ![]() | 6–7(6–8), 4–6 |
Win | 2018 | French Open | Clay | ![]() | 7–6(7–5), 6–2 |
Win | 2018 | Wimbledon | Grass | ![]() | 6–1, 6–7(2–7), 6–4 |
Result | Year | Tournament | Surface | Partner | Opponents | Score |
---|---|---|---|---|---|---|
Loss | 2018 | French Open | Clay | ![]() | ![]() ![]() | 4–6, 4–6 |
W | F | SF | QF | #R | RR | Q# | DNQ | A | NH |
Tournament | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | SR | W–L | Win % |
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Grand Slam tournaments | |||||||||
Australian Open | A | A | A | 1R | 1R | A | 0 / 2 | 0–2 | 0% |
French Open | A | A | A | 1R | Q2 | A | 0 / 1 | 0–1 | 0% |
Wimbledon | Q1 | NH | A | 1R | Q1 | A | 0 / 1 | 0–1 | 0% |
US Open | A | A | A | 1R | A | Q2 | 0 / 1 | 0–1 | 0% |
Win–loss | 0–0 | 0–0 | 0–0 | 0–4 | 0–1 | 0–0 | 0 / 5 | 0–5 | 0% |
ATP Tour Masters 1000 | |||||||||
Indian Wells Masters | A | NH | A | Q1 | A | A | 0 / 0 | 0–0 | – |
Miami Open | 1R | NH | A | A | A | A | 0 / 1 | 0–1 | 0% |
Madrid Open | A | NH | A | A | Q1 | A | 0 / 0 | 0–0 | – |
Cincinnati Masters | A | A | A | Q2 | A | A | 0 / 0 | 0–0 | – |
Shanghai Masters | A | NH | 2R | Q1 | 0 / 1 | 1–1 | 50% | ||
Year-end ranking | 115 | 298 | 119 | $1,011,472 |
Awards and achievements | ||
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Preceded by | ITF Junior World Champion 2018 | Succeeded by |