Hsu Yu-hsiou (; born 2 April 1999) is a Taiwanese tennis player. He has a career high ATP singles ranking of world No. 158 achieved on 16 October 2023 and a career high ATP doubles ranking of world No. 145 achieved on 17 November 2025. Hsu is currently the No. 1 Taiwanese tennis player.

Junior career As a junior, Hsu achieved a career-high total combined ranking of No. 5, reached on 12 June 2017. In 2017, he won the 2017 Australian Open boys' doubles championships title alongside Zhao Lingxi. He then won the 2017 Wimbledon boys' doubles championships title with Axel Geller and impressively also the 2017 US Open boys' doubles championships title with Wu Yibing, holding three out of the four junior grand slam doubles championships simultaneously.

Professional career 2018: First ITF titles and ATP Challenger final In March 2018, he won his first singles and doubles titles on the ITF Men's Circuit. In the same year, he made his debut for the Chinese Taipei Davis Cup team, where he won his single's tie against Shahin Khaledan of Iran by a score of 4–6, 6–1, [10–8]. This would mark his first appearance as well as his first win at the ATP Tour level.

In September, Hsu reached his first career final on the ATP Challenger Tour where he and partner Jimmy Wang lost in the doubles final of the 2018 Kaohsiung Challenger to Yang Tsung-hua and Hsieh Cheng-peng 7–6(7–3), 2–6, [8–10], in an all-Taiwanese final.

2023: Major and Masters debuts and first wins, top 175 Hsu made his Grand Slam debut by qualifying for the 2023 Australian Open, beating Evan Furness, Elias Ymer and Alexandre Muller.

He also qualified for the US Open and won his first round match against Thanasi Kokkinakis, making him the fifth Taiwanese men's singles player to ever qualify for the tournament, and the third Taiwanese man to win a Major match in history.

He made his debut in qualifying at a Masters 1000 level at the 2023 Rolex Shanghai Masters. He qualified for the main draw and recorded his first Masters 1000 wins defeating Max Purcell and 17th seed Lorenzo Musetti. He lost to 16th seed and eventual champion Hubert Hurkacz. He reached a career high ranking of No. 158 on 16 October 2023.

2025: Two Challenger doubles titles, top 150 Hsu Yu-hsiou won two ATP Challenger doubles titles at the 2025 Open Sopra Steria de Lyon with Kaichi Uchida and at the 2025 Cranbrook Tennis Classic with Huang Tsung-hao.

Performance timeline

Singles Tournament2023202420252026Win %Grand Slam tournamentsAustralian Open1RQ1AQ10 / 10–1French OpenQ1AAQ10 / 00–0WimbledonQ1Q1AQ10 / 00–0US Open2RQ3Q10 / 11–1Win–loss1–20–00–00–00 / 21–2ATP Masters 1000Indian Wells MastersAAA0 / 00–0Miami OpenAAA0 / 00–0Monte Carlo MastersAAA0 / 00–0Madrid OpenAAA0 / 00-0Italian OpenAAA0 / 00–0Canadian OpenAAA0 / 00–0Cincinnati MastersAAA0 / 00–0Shanghai Masters3RQ1A0 / 12–1Paris MastersAAA0 / 00–0Win–loss2–10–00–00–00 / 12–1

ATP Challengers and ITF finals

Singles: 24 (15–9) Legend (singles)ATP Challenger Tour (1–2)ITF Futures/World Tennis Tour (14–7)Titles by surfaceHard (15–9)Clay (0–0)

ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0Chinese Taipei F3, TaipeiFuturesHard Michael Zhu6–2, 6–3Loss1–1M25, Taipei, Chinese TaipeiWorld Tennis TourHard Bai Yan4–6, 4–6Win2–1M15, Hua Hin, ThailandWorld Tennis TourHard Ryan Peniston6–3, 6–3Loss2–2M15, Hong KongWorld Tennis TourHard Yuta Shimizu7–5, 6–7(7–9), 6–7(5–7)Win3–2M15, Sharm El Sheikh, EgyptWorld Tennis TourHard Arnaud Bovy6–4, 6–4Win4–2M15, Sharm El Sheikh, EgyptWorld Tennis TourHard Edoardo Eremin6–3, 6–2Win5–2M15, Sharm El Sheikh, EgyptWorld Tennis TourHard Lukas Krainer6–2, 6–1Win6–2M15, Sharm El Sheikh, EgyptWorld Tennis TourHard Makoto Ochi6–2, 6–1Loss6–3M25, Nur-Sultan, KazakhstanWorld Tennis TourHard Evgeny Karlovskiy6–7(4–7), 6–2, 3–6Win7–3M25, Sharm El Sheikh, EgyptWorld Tennis TourHard Marek Gengel6–3, 6–2Loss7–4M25, Quinta do Lago, PortugalWorld Tennis TourHard Valentin Vacherot4–6, 3–6Win8–4M25, Dallas, USAWorld Tennis TourHard Gabi Adrian Boitan7–5, 6–3Win9–4M25, Tây Ninh, VietnamWorld Tennis TourHard Lý Hoàng Nam6–3, 6–2Win10–4Sydney, AustraliaChallengerHard Marc Polmans6–4, 7–6(7–5)Win11–4M25, Tsukuba, JapanWorld Tennis TourHard Sho Shimabukuro7–6(7–5), 6–4Win12–4M25, Kashiwa, JapanWorld Tennis TourHard Lee Jea-moon6–1, 6–1Win13–4M15, Kashiwa, JapanWorld Tennis TourHard Masamichi Imamura3–6, 7–5, 6–4Loss13–5M25, Tianjin, ChinaWorld Tennis TourHard Bai Yan2–6, 4–6Loss13–6M25, Taipei, Chinese TaipeiWorld Tennis TourHard Keisuke Saitoh3–6, 1–6Win14–6M25, Taipei, Chinese TaipeiWorld Tennis TourHard Blake Ellis6–3, 6–4Loss14–7Shanghai, ChinaChallengerHard Sho Shimabukuro4–6, 4–6Loss14–8M25, Timaru, New ZealandWorld Tennis TourHard Christian Langmo6–7(6–8), 3–6 Loss14–9Chicago, USChallengerHard Michael Zheng4–6, 2–6Win15–9M25, Launceston, AustraliaChallengerHard Hiroki Moriya6–2, 6–3

Doubles: 46 (31–15) Legend (doubles)ATP Challenger Tour (7–4)ITF Futures/World Tennis Tour (24–11)Titles by surfaceHard (26–14)Clay (5–1)

ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin1–0Australia F3, MorningtonFuturesClay Matthew Romios Tom Evans Max Purcell6–3, 6–3Loss1–1Singapore F3, SingaporeFuturesHard Yuta Shimizu Jeremy Beale James Frawley2–6, 3–6Win2–1Taipei F2, Chinese TaipeiFuturesHard Nicholas S. Hu Pak Long Yeung Chun HunWong7–5, 7–6(7–5)Loss2–2Kaohsiung, TaiwanChallengerHard Jimmy Wang Hsieh Cheng-peng Yang Tsung-hua7–6(7–3), 2–6, [8–10]Win3–2Thailand F8, NonthaburiFuturesHard Hsieh Cheng-peng Francis Casey Alcantara Bernardo Saraiva6–1, 6–0Win4–2Hong Kong F3FuturesHard Shintaro Imai Xin Gao Aoran Wang7–6(7–1), 6–1Loss4–3M25 Hong KongWorld Tennis TourHard Shintaro Imai Sanchai Ratiwatana Sonchat Ratiwatana4–6, 6–7[4–7)Win5–3M15 Sharm El Sheikh, EgyptWorld Tennis TourHard Shintaro Imai David Poljak Kacper Zuk6–2, 6–0Win6–3M15 Tsukuba, JapanWorld Tennis TourHard Shintaro Imai Blake Ellis Michael Look1–6, 6–1, [10–7]Win7–3M25 Nonthaburi, ThailandWorld Tennis TourHard Yuta Shimizu Sanjar Fayziev Sergey Fomin6–2, 6–3Loss7–4M15 Hua Hin, ThailandWorld Tennis TourHard Wei-De Lin Seong Chan Hong Sanhul Shin4–6, 4–6Loss7–5M25 Toowoomba, AustraliaWorld Tennis TourHard Vladyslav Orlov Brydan Klein Scott Puodziunas3–6, 4–6Win8–5M15 Hong KongWorld Tennis TourHard Luca Castelnuovo Wei-De Lin Wishaya Trongcharoenchaikul5–7, 6–3, [11–9]Loss8–6M15 Sharm El Sheikh, EgyptWorld Tennis TourHard Jumpei Yamasaki Shintaro Imai Kaito Uesugi6–7(5–7), 4–6Win9–6M15 Sharm El Sheikh, EgyptWorld Tennis TourHard Jumpei Yamasaki Martins Podzus Robert Strombachs6–3, 5–7, [10–7]Win10–6M15 Sharm El Sheikh, EgyptWorld Tennis TourHard Shintaro Imai Yusuke Takahash Jumpei Yamasaki7–5, 6–4Loss10–7M15 Sharm El Sheikh, EgyptWorld Tennis TourHard Shintaro Imai Jacopo Berrettini Luca Nardi3–6, 6–2, [7–10]Win11–7M15 Antalya, TurkeyWorld Tennis TourClay Miguel Fernando Pereira Cezar Crețu Alexandru Jecan7–6(11−9), 2–6, [11–9]Loss11–8M15 Antalya, TurkeyWorld Tennis TourClay Lee Kuan-Yi Francisco Comesaña Mariano Kestelboim7–5, 4–6, [4–10]Win12−8Nur-Sultan, KazakhstanChallengerHard Benjamin Lock Peter Polansky Sergiy Stakhovsky2–6, 6–1, [10–7]Win13−8Nur-Sultan, KazakhstanChallengerHard Benjamin Lock Oleksii Krutykh Grigoriy Lomakin6–3, 6–4Loss13–9M15 Decatur, United StatesWorld Tennis TourHard Shintaro Imai Gijs Brouwer Reese Stalder3–6, 5–7Loss13−10Antalya, TurkeyChallengerClay Tseng Chun-hsin Riccardo Bonadio Giovanni Fonio6–3, 2–6, [10–12]Win14−10Antalya, TurkeyChallengerClay Oleksii Krutykh Sanjar Fayziev Markos Kalovelonis6–1, 7–6(7–5)Win15–10M15 Doha, QatarWorld Tennis TourHard Marat Deviatiarov Huang Tsung-hao Saba Purtseladze6–1, 6–0Win16–10M15 Cairo, EgyptWorld Tennis TourClay Huang Tsung-hao Riccardo Bonadio David Pichler6–4, 7–6(8−6)Win17–10M25 Cairo, EgyptWorld Tennis TourClay Neil Oberleitner Markos Kalovelonis David Pichler7–6(7−5), 6−4Loss17–11M25 Sharm El Sheikh, EgyptWorld Tennis TourHard Neil Oberleitner Alibek Kachmazov Beibit Zhukayev6−1, 6–7(1−7), [5−10]Loss17–12M25 Santo Domingo, Dominican RepublicWorld Tennis TourHard Wu Tung-lin Rinky Hijikata Henry Patten6−2, 6–7(4−7), [3−10]Win18–12M25 Portimao, PortugalWorld Tennis TourHard Neil Oberleitner Maximilian Neuchrist Kai Wehnelt6−3, 3–6, [10−7]Win19–12M25 Loule, PortugalWorld Tennis TourHard Neil Oberleitner Pedro Araujo Guy den Ouden7−5, 7–5Win20–12M25 Quinta do Lago, PortugalWorld Tennis TourHard Neil Oberleitner Fábio Coelho Gonçalo Falcão7−5, 4–6, [10−8]Win21–12M25 Monastir, TunisiaWorld Tennis TourHard Sun Fajing Jayden Court Dane Sweeny7−6(7−4), 6–3Win22–12M25 Monastir, TunisiaWorld Tennis TourHard Sun Fajing Blake Bayldon Jordan Smith6−4, 7−6(7−2)Loss22–13M25 Chiang Rai, ThailandWorld Tennis TourHard Sun Fajing Congsup Congcar Shintaro Imai4−6, 6−1, [8−10]Win23–13M25 Wichita, United StatesWorld Tennis TourHard Yuta Shimizu Abraham Asaba Sekou Bangoura6−4, 2−6, [10−5]Win24−13Yokkaichi, JapanChallengerHard Yuta Shimizu Masamichi Imamura Rio Noguchi7–6(7–2), 6–4Win25−13Bangalore, IndiaChallengerHard Chung Yun-seong Anirudh Chandrasekar Vijay Sundar Prashanth3–6, 7–6(9–7), [11–9]Win26–13M25 Tsukuba, JapanWorld Tennis TourHard Huang Tsung-hao Shinji Hazawa Hikaru Shiraishi7–6(8–6), 3−6, [10−5]Win27–13M25 Kashiwa, JapanWorld Tennis TourHard Huang Tsung-hao Shintaro Imai Chung Yun-seong7–6(7–5), 2−6, [12−10]Win28–13M25 Tianjin, ChinaWorld Tennis TourHard Ryotaro Taguchi Sun Fajing Chung Yun-seong–(–),−, [−]Win29–13M25 Launceston, AustraliaWorld Tennis TourHard Huang Tsung-hao Kody Pearson Joshua Sheehy–,−Win30−13Lyon, FranceChallengerClay Kaichi Uchida Luca Sanchez Seita Watanabe 1–6, 6–3, [12–10]Win31−13Bloomfield Hills, MI USAChallengerHard Huang Tsung-hao Theodore Winegar Michael Zheng 4–6, 6–3, [11–9]Loss31−14Lexington, KY USAChallengerHard Huang Tsung-hao Anirudh Chandrasekar Ramkumar Ramanathan4–6, 4–6Loss31−15Jiujiang, ChinaChallengerHard Seita Watanabe Nam Ji-sung Patrik Niklas-Salminen4–6, 4–6

Junior Grand Slam finals Doubles: 3 (3 titles) ResultYearTournamentSurfacePartnerOpponentScoreWinner2017Australian OpenHard Zhao Lingxi Finn Reynolds Duarte Vale 6–7(8–10), 6–4, [10–5]Winner 2017 Wimbledon Championships Grass Axel Geller Jurij Rodionov Michael Vrbenský 6–4, 6–4Winner 2017 US Open Hard Wu Yibing Toru Horie Yuta Shimizu 6–4, 5–7, [11–9]

References

External links