Zheng Saisai
Zheng Saisai at the 2021 French Open | ||||||||||||||||||||||||
| Country (sports) | China | |||||||||||||||||||||||
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| Residence | Xi'an, Shaanxi, China | |||||||||||||||||||||||
| Born | 5 February 1994 Xi'an, Shaanxi | |||||||||||||||||||||||
| Height | 1.70 m (5 ft 7 in) | |||||||||||||||||||||||
| Turned pro | 2008 | |||||||||||||||||||||||
| Plays | Right-handed (two-handed backhand) | |||||||||||||||||||||||
| Coach | Alan Ma | |||||||||||||||||||||||
| Prize money | US$ 4,684,729 | |||||||||||||||||||||||
| Singles | ||||||||||||||||||||||||
| Career record | 336–255 | |||||||||||||||||||||||
| Career titles | 1 | |||||||||||||||||||||||
| Highest ranking | No. 34 (2 March 2020) | |||||||||||||||||||||||
| Current ranking | No. 873 (10 November 2025) | |||||||||||||||||||||||
| Grand Slam singles results | ||||||||||||||||||||||||
| Australian Open | 2R (2016, 2020) | |||||||||||||||||||||||
| French Open | 2R (2021) | |||||||||||||||||||||||
| Wimbledon | 2R (2018) | |||||||||||||||||||||||
| US Open | 2R (2014, 2016, 2017) | |||||||||||||||||||||||
| Other tournaments | ||||||||||||||||||||||||
| Olympic Games | 2R (2016) | |||||||||||||||||||||||
| Doubles | ||||||||||||||||||||||||
| Career record | 253–191 | |||||||||||||||||||||||
| Career titles | 6 | |||||||||||||||||||||||
| Highest ranking | No. 15 (11 July 2016) | |||||||||||||||||||||||
| Current ranking | No. 81 (10 November 2025) | |||||||||||||||||||||||
| Grand Slam doubles results | ||||||||||||||||||||||||
| Australian Open | SF (2013, 2016) | |||||||||||||||||||||||
| French Open | F (2019) | |||||||||||||||||||||||
| Wimbledon | 3R (2019) | |||||||||||||||||||||||
| US Open | QF (2019) | |||||||||||||||||||||||
| Other doubles tournaments | ||||||||||||||||||||||||
| Olympic Games | 2R (2016) | |||||||||||||||||||||||
| Grand Slam mixed doubles results | ||||||||||||||||||||||||
| Australian Open | QF (2020) | |||||||||||||||||||||||
| Wimbledon | 3R (2019) | |||||||||||||||||||||||
| US Open | 1R (2013) | |||||||||||||||||||||||
| Team competitions | ||||||||||||||||||||||||
| Fed Cup | 11–7 | |||||||||||||||||||||||
Medal record
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| Last updated on: 10 November 2025. | ||||||||||||||||||||||||
| Zheng Saisai | |||||||||
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| Traditional Chinese | 鄭賽賽 | ||||||||
| Simplified Chinese | 郑赛赛 | ||||||||
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Zheng Saisai or Zheng Sai-Sai (Chinese: 郑赛赛; born 5 February 1994) is a Chinese tennis player. She has a best singles ranking of 34, achieved March 2020, and a career-high doubles ranking of No. world 15, achieved on 11 July 2016. In her career, she has won one singles title in 2019 (at the Premier event in Silicon Valley), and six doubles titles on the WTA Tour. She also reached the final of the 2019 French Open in doubles with compatriot Duan Yingying.
In addition, she won three singles and three doubles titles at WTA 125 tournaments, as well as twelve singles and nine doubles titles on the ITF Women's Circuit.
Playing for China Fed Cup team, Zheng has a win–loss record of 11–7 as of September 2024.