Sun Fajing (; ; born 3 October 1996) is a Chinese tennis player. Sun has a career high ATP singles ranking of world No. 197 achieved on 4 May 2026 and a career high ATP doubles ranking of world No. 181 achieved on 26 February 2024. He is the current No. 4 Chinese player.
Career Sun made his ATP main draw debut at the 2016 Chengdu Open, where he was granted a wildcard entry in the doubles draw alongside compatriot He Yecong. They were defeated in the first round by Raven Klaasen and Rajeev Ram in straight sets.
The following year, he was again given a wildcard at the 2017 Chengdu Open with partner Te Rigele, and again he would lose in the first round to Nenad Zimonjic and Santiago Gonzalez in straight sets.
In his third main draw appearance, he and partner Zhizhen Zhang were given a wildcard entry into the doubles draw of the 2018 ATP Shenzhen Open but lost in the first round to Marcin Matkowski and Nicholas Monroe.
His fourth and most recent ATP appearance (also his third at the tournament) was a wildcard entry into the doubles draw of the 2019 Chengdu Open pairing up with Wang Aoran, and to round up an 0–4 record he lost to Dominic Inglot and Austin Krajicek.
He was given a wildcard at the 2023 China Open partnering Zhou Yi. He received a wildcard in doubles partnering Li Zhe at the 2023 Rolex Shanghai Masters and also a qualifying wildcard in singles at the 2024 Rolex Shanghai Masters where he upset fourth seed Borna Ćorić in the first round of qualifying but lost in the second in straight sets to alternate player Ramkumar Ramanathan.
Fajing Sun reached the top 200 on 19 May 2025, following his maiden Challenger title at the 2025 Wuxi Open.
Performance timeline
Singles Tournament201520162017201820192020202120222023202420252026SRW–LWin %Grand Slam tournamentsAustralian OpenAAAAAAAAAAAA0 / 00–0French OpenAAAAAAAAAAAQ10 / 00–0WimbledonAAAAANHAAAAQ1A0 / 00–0US OpenAAAAAAAAAAQ2A0 / 00–0Win–loss0–00–00–00–00–00–00–00–00–00–00–00–00 / 00–0ATP Masters 1000Indian Wells MastersAAAAANHAAAAAA0 / 00–0Miami OpenAAAAANHAAAAAA0 / 00–0Monte Carlo MastersAAAAANHAAAAAA0 / 00–0Madrid OpenAAAAANHAAAAAA0 / 00-0Italian OpenAAAAAAAAAAAA0 / 00–0Canadian OpenAAAAANHAAAAA0 / 00–0Cincinnati MastersAAAAAAAAAAA0 / 00–0Shanghai MastersQ1AQ1AQ1NHQ2Q2Q10 / 00–0Paris MastersAAAAAAAAAAA0 / 00–0Win–loss0–00–00–00–00–00–00–00–00–00–00–00 / 00–0
ATP Challenger Tour finals
Singles: 3 (2 titles, 1 runner-up)
Finals by surfaceHard (2–1)Clay (0–0)
ResultW–LDateTournamentTierSurfacePartnerScoreWin1–0Wuxi Open, ChinaChallengerHard Alex Bolt 7–6(7–4), 6–4Loss1–1Open de Tenis Ciudad de Pozoblanco, SpainChallengerHard Daniel Mérida 3–6, 4–6Win2–1Wuning Challenger, ChinaChallengerHard Li Tu 5–7, 6–4, 7–5
Doubles: 8 (5 titles, 3 runner-ups) Finals by surfaceHard (5–3)Clay (0–0)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin1–0Suzhou, ChinaChallengerHard Xin Gao Gong Maoxin Zhang Ze7–6(7–5), 4–6, [10–7]Win2–0Shanghai, ChinaChallengerHard Xin Gao Marc Polmans Scott Puodziunas2–6, 6–4, [10–7]Loss2–1Segovia, SpainChallengerHard Francis Casey Alcantara Dan Added Pierre-Hugues Herbert6–4, 3–6, [10–12]Loss2–2Zhangjiagang, ChinaChallengerHard Francis Casey Alcantara Ray Ho Matthew Romios3–6, 4–6Loss2–3Nonthaburi II, ThailandChallengerHard Francis Casey Alcantara Manuel Guinard Grégoire Jacq4–6, 6–7(6–8)Win3–3Hangzhou, ChinaChallengerHard Te Rigele Thomas Fancutt Yuta Shimizu6–3, 7–5Win4–3Pozoblanco, SpainChallengerHard Iñaki Montes de la Torre Anthony Genov Roy Stepanov6–1, 7–6(10–8)Win5–3Yokkaichi, JapanChallengerHard Wu Tung-lin Ethan Cook Tai Sach7–6(8–6), 6–3.
ITF Futures/World Tennis Tour finals
Singles: 20 (6 titles, 14 runner-ups) LegendITF Futures/WTT (6–14)Finals by surfaceHard (5–13)Clay (1–1)Grass (0–0)Carpet (0–0)
ResultW–LDateTournamentTierSurfaceOpponentScoreLoss0–1Thailand F1, Hua HinFuturesHard Chen Ti3–6, 1–6Loss0–2Indonesia F1, JakartaFuturesHard Chen Ti6–7(4–7), 3–6Win1–2China F5, LuzhouFuturesHard Bradley Mousley7–6(7–2), 6–2Loss1–3Qatar F1, DohaFuturesHard Scott Griekspoor4–6, 3–6Loss1–4China F6, Lu'anFuturesHard Patrik Niklas-Salminen6–2, 4–6, 4–6Loss1–5M15 Sharm El Sheikh, EgyptWTTHard Filip Bergevi6–7(4–7), 6–7(2–7)Win2–5M25 Lu'an, ChinaWTTHard Cui Jie7–5, 6–4Loss2–6M25 Hengyang, ChinaWTTHard Harry Bourchier6–7(7–9), 1–6Win3–6M25 Kunshan, ChinaWTTHard Yang Tsung-Hua6–2, 6–2Loss3–7M25 Qujing, ChinaWTTHard Bai Yan3–6, 1–6Loss3–8M15 Monastir, TunisiaWTTHard Christoph Negritu6–7(5–7), 6–7(5–7)Win4–8M25 Martos, SpainWTTHard Pedro Vives Marcos7–6(7–3), 6–4Win5–8M25 Anning, ChinaWTTClay Cui Jie6–3, 4–6, 6–2Loss5–9M25 Yinchuan, ChinaWTTHard Cui Jie3–6, 5–7Win6–9M25 Lu'an, ChinaWTTHard Mo Yecong6–3, 6–1Loss6–10M25 Baotou, ChinaWTTClay (i) Te Rigele2–6, 4–6Loss6–11M25 Tianjin, ChinaWTTHard Zhou Yi6–4, 3–6, 5–7Loss6–12M25 Yinchuan, ChinaWTTHard Bai Yan4–6, 6–7(1–7)Loss6–13M25 Huzhou, ChinaWTTHard Bai Yan3–6, 6–4, 2–6Loss6–14M25 Qian Daohu, ChinaWTTHard Elliot Benchetrit3–6, 2–6
Doubles: 34 (16 titles, 18 runner-ups) LegendITF Futures/WTT (16–18)Finals by surfaceHard (13–14)Clay (3–4)Grass (0–0)Carpet (0–0)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0–1China F1, AnningFuturesClay Wang Aoran Lin Hsin Enrique López PérezwalkoverLoss0–2China F10, LongyanFuturesHard Wang Aoran Bai Yan Li Zhe6–7(1–7), 4–6Win1–2China F11, AnningFuturesClay Wang Aoran Ning Yuqing Qiu Zhuoyang6–3, 6–4Loss1–3Egypt F8, LongyanFuturesHard Chen Ti Francis Casey Alcantara Benjamin Lock3–6, 7–6(9–7), [7–10]Win2–3China F8, FuzhouFuturesHard Te Rigele Alexander Sarkissian Finn Tearney6–2, 6–4Win3–3China F12, ShenzhenFuturesHard Lý Hoàng Nam Francis Casey Alcantara Karunuday Singh6–4, 6–4Loss3–4Thailand F12, Hua HinFuturesHard Xin Gao Chung Hong Song Min-kyu6–7(5–7), 6–3, [6–10]Win4–4Qatar F3, DohaFuturesHard Wong Chun-hun Matěj Vocel Marek Gengel6–3, 6–3Loss4–5China F4, WuhanFuturesHard Wang Ruikai Te Rigele Yuta Shimizu6–7(3-7), 3–6Loss4–6China F7, LuzhouFuturesHard Francis Casey Alcantara Sami Reinwein Rhett Purcell5–7, 3–6Win5–6China F8, YinchuanFuturesHard Francis Casey Alcantara Wishaya Trongcharoenchaikul Kento Takeuchi6–4, 2–6, [10–5]Win6–6M25 Wuhan, ChinaWTTHard Te Rigele Sora Fakuda Yuki Mochizuki6–1, 3–6, [12–10]Loss6–7M25 Luzhou, ChinaWTTHard Xin Gao Wang Aoran Wu Hao6–3, 1–6, [7–10]Win7–7M25 Kunshan, ChinaWTTHard Xin Gao Zeng Shihong Hua Runhao6–2, 7–6(7–5)Win8–7M25 Qujing, ChinaWTTHard Hua Runhao Francis Casey Alcantara Rhett Purcell6–1, 6–1Win9–7M25 Monastir, TunisiaWTTHard Hsu Yu-hsiou Jayden Court Dane Sweeny7–6(7–4), 6–3Win10–7M25 Monastir, TunisiaWTTHard Hsu Yu-hsiou Blake Bayldon Jordan Smith6–4, 7–6(7–2)Loss10–8M25 Chiang Rai, ThailandWTTHard Hsu Yu-hsiou Congsup Congcar Shintaro Imai4–6, 6–1, [8–10]Win11–8M15 Kottingbrunn, AustriaWTTClay Niklas Schell Stefano Battaglino Lorenzo Rottoli6–4, 6–2Loss11–9M15 Monastir, TunisiaWTTHard Bruno Kuzuhara James Frawley Christoph Negritu4–6, 6–1, [6–10]Loss11–10M25 Jakarta, IndonesiaWTTHard Seita Watanabe Thomas Fancutt Brandon Walkin6–4, 3–6, [6–10]Loss11–11M25 Jakarta, IndonesiaWTTHard Coleman Wong Tomohiro Masabayashi Seita Watanabe6–4, 4–6, [7–10]Loss11–12M15 Singapore, SingaporeWTTHard Francis Casey Alcantara Justin Barki Igor Sijsling1–6, 1–6Win12–12M25 Jakarta, IndonesiaWTTHard Ray Ho Francis Casey Alcantara Pruchya Isaro6–4, 7–5Win13–12M25 La Nucia, SpainWTTClay Amr Elsayed Dimitris Sakellaridis Stefanos Sakellaridis6–2, 6–3Win14–12M25 Bakio, SpainWTTHard John Echeverría Noah Lopez Robin Bertrand6–3, 6–2Loss14–13M25 Roda de Bara, SpainWTTHard John Echeverría Pedro Vives Marcos Alberto Barroso Campos7–5, 3–6, [4–10]Loss14–14M25 Anning, ChinaWTTClay Evan Zhu Cui Jie Wang Xiaofei6–3, 2–6, [8–10]Win15–14M25 Lu'an, ChinaWTTHard Ajeet Rai Cui Jie Lee Duck-hee6–2, 6–2Loss15–15M25 Anning, ChinaWTTClay Cui Jie Jeffrey Hsu Woobin Shin6–2, 3–6, [5–10]Loss15–16M25 Baotou, ChinaWTTClay (i) Cui Jie Te Rigele Evan Zhu3–6, 6–2, [6–10]Loss15–17M25 Tianjin, ChinaWTTHard Chung Yun-seong Hsu Yu-hsiou Ryotaro Taguchi6–3, 3–6, [12–14]Win16–17M25 Qian Daohu, ChinaWTTHard Te Rigele Zheng Baoluo Hsieh Cheng-peng6–3, 3–6, [10–3]Loss16–18M25 Qian Daohu, ChinaWTTHard Fnu Nidunjianzan Sergey Fomin Ignasi Forcano2–6, 4–6
References
External links