Jiang Xinyu (; ; born 3 March 1999) is a Chinese professional tennis player who specializes in doubles. She achieved a career-high doubles ranking of world No. 25, on 3 November 2025. Jiang has won seven doubles titles on the WTA Tour and 18 doubles titles on the ITF Women's Circuit. On 16 October 2023, she peaked at No. 511 in the singles rankings.

Playing for China Billie Jean King Cup team, she has a win-loss record of 7–1.

Career 2017-2018: First WTA Tour titles, Premier 5 debut She has won her biggest title in 2017 at the Jiangxi International Open in Nanchang, partnering Tang Qianhui, and then successfully defended it the following year.

She made her WTA Premier 5 debut at the 2018 Wuhan Open with Wang Qiang.

2023: Third doubles title, tour singles debut After a break from competing on the professional tour, she made her comeback in January 2023 on the ITF Circuit. In April, she participated with the Chinese team in Billie Jean King Cup competition.

In September, Jiang won her third career title at the 2023 Guangzhou Open with Guo Hanyu. Also with Guo, she reached the final of the Ningbo Open. She received wildcards in doubles for the WTA 1000 China Open, and for the WTA 500 Zhengzhou Open with Guo where they lost to top seeds and eventual champions, Gabriela Dabrowski and Erin Routliffe, in the semifinals. In late October, she received a wildcard for her WTA Tour main-draw debut at the Jiangxi Open but lost to Sara Sorribes Tormo. At the same tournament, she reached the semifinals in doubles with Guo.

2024–2025: Back-to-back titles, WTA 1000 final, top 25 Following a sixth final at the 2024 Thailand Open with Guo Hanyu and her first third-round showing in a major at the Australian Open, she reached the top 50, on 5 February 2024.

Partnering Wu Fang-hsien, Jiang won the doubles title at the 2025 Auckland Open, defeating Aleksandra Krunić and Sabrina Santamaria in the final. The following week, the pair won the Hobart International doubles title, overcoming Monica Niculescu and Fanny Stollár in the final.

In February, Jiang and Wu reached the final at the WTA 1000 Qatar Ladies Open, losing to Sara Errani and Jasmine Paolini in straight sets. At the WTA 1000 Miami Open, the pair reached the semifinals again defeating Asia Muhammad and Demi Schuurs, Ashlyn Krueger and Jessica Pegula by retirement, and the Chinese pair of Zheng Saisai and Wang Xinyu.

She won her sixth career title at Hong Kong with Wang Yafan and finished the season in the top 25 in the WTA doubles rankings.

WTA Tour finals Doubles: 13 (7 titles, 6 runner-ups) LegendWTA 1000 (0–1)WTA 500 (1–1)WTA 250 (6–4)Finals by surfaceHard (7–6) ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin 1–0 Jul 2017 Jiangxi Open, China International Hard Tang Qianhui Alla Kudryavtseva Arina Rodionova 6–3, 6–2Win 2–0 Jul 2018 Jiangxi Open, China (2) International Hard Tang Qianhui Lu Jingjing You Xiaodi 6–4, 6–4Win 3–0 Guangzhou Open, China WTA 250 Hard Guo Hanyu Eri Hozumi Makoto Ninomiya 6–3, 7–6(7–4)Loss 3–1 Ningbo Open, China WTA 250 Hard Guo Hanyu Laura Siegemund Vera Zvonareva 6–4, 3–6, [5–10]Loss 3–2 Hobart International, Australia WTA 250 Hard Guo Hanyu Chan Hao-ching Giuliana Olmos 3–6, 3–6Loss 3–3 Hua Hin Championships, Thailand WTA 250 Hard Guo Hanyu Miyu Kato Aldila Sutjiadi 4–6, 6–1, [7–10]Loss 3–4 Aug 2024Washington Open, United States WTA 500 Hard Wu Fang-hsien Taylor Townsend Asia Muhammad 6–7(0–7), 3–6Win 4–4 Auckland Open, New Zealand WTA 250 Hard Wu Fang-hsien Aleksandra Krunić Sabrina Santamaria 6–3, 6–4Win 5–4 Hobart International, Australia WTA 250 Hard Wu Fang-hsien Monica Niculescu Fanny Stollár 6–1, 7–6(8–6)Loss5–5Qatar Ladies OpenWTA 1000Hard Wu Fang-hsien Sara Errani Jasmine Paolini5–7, 6–7(10–12)Loss5–6Tennis in the Land, United StatesWTA 250Hard Chan Hao-ching Anna Danilina Aleksandra Krunić6–7(3–7), 4–6Win6–6Hong Kong Open, China SARWTA 250Hard Wang Yafan Momoko Kobori Peangtarn Plipuech6–4, 6–2Win7–6Mar 2026Mérida Open, MexicoWTA 500Hard Cristina Bucșa Isabelle Haverlag Maia Lumsden 6–4, 6–1

ITF Circuit finals Singles: 1 (runner-up) LegendW25 tournaments (0–1)Finals by surfaceHard (0–1) ResultDateTournamentTierSurfaceOpponentScoreLoss May 2023ITF Incheon, South KoreaW25 Hard Cody Wong 6–1, 3–6, 0–3 ret.

Doubles: 26 (18 titles, 8 runner-ups) Legend$100,000 tournaments (2–0)$50/60,000 tournaments (3–1)$40,000 tournaments (1–0)$25,000 tournaments (11–4)$10/15,000 tournaments (1–3)Finals by surfaceHard (16–6)Clay (2–2) ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss 0–1 Mar 2015ITF Jiangmen, China10,000 Clay Tang Qianhui Hsu Ching-wen Tang Haochen 4–6, 3–6Loss 0–2 Dec 2015ITF Hong Kong, China10,000 Hard Li Yihong Emma Laine Yukina Saigo 1–6, 1–6Win 1–2 Jul 2016ITF Yuxi, China25,000 Hard Tang Qianhui Gai Ao Guo Shanshan 6–2, 3–6, [10–5]Loss 1–3 Jul 2016ITF Qujing, China25,000 Hard Tang Qianhui Akiko Omae Peangtarn Plipuech 3–6, 3–6Loss 1–4 Sep 2016Zhuhai Open, China50,000 Hard Guo Hanyu Ankita Raina Emily Webley-Smith 4–6, 4–6Win 2–4 Feb 2017ITF Nanjing, China15,000 Hard Guo Shanshan Nudnida Luangnam Ye Qiuyu 7–5, 7–5Win 3–4 May 2017ITF Yuxi, China25,000 Hard Tang Qianhui Gai Ao Kang Jiaqi 6–2, 7–5Win 4–4 May 2017ITF Qujing, China25,000 Hard Tang Qianhui Feng Shuo Zhao Xiaoxi 6–4, 6–3Win 5–4 May 2017Jin'an Open, China60,000 Hard Tang Qianhui Mana Ayukawa Erika Sema 7–5, 6–4Loss 5–5 Jun 2017ITF Wuhan, China25,000 Hard Tang Qianhui Alison Bai Lu Jiajing 2–6, 6–7(3)Loss 5–6 Jul 2017ITF Anning, China15,000 Clay Tang Qianhui Feng Shuo Li Yihong 3–6, 4–6Win 6–6 Jul 2017ITF Tianjin, China25,000 Hard Tang Qianhui Liu Chang Lu Jiajing 6–4, 6–1Loss 6–7 Sep 2017ITF Guiyang, China25,000 Hard Tang Qianhui Lidziya Marozava Sabina Sharipova 2–6, 3–6Win 7–7 Jun 2018Changsha Open, China25,000 Hard Feng Shuo Han Xinyun Zhang Ying 6–3, 4–6, [11–9]Loss 7–8 Jul 2018ITF Naiman, China 25,000 Hard Tang Qianhui Kang Jiaqi Kim Na-ri 7–6(4), 4–6, [5–10]Win 8–8 Jul 2018ITF Tianjin, China25,000 Hard Feng Shuo Chen Jiahui Ye Qiuyu 6–4, 6–4Win 9–8 May 2019ITF Wuhan, ChinaW25 Hard Erika Sema Guo Meiqi Wu Meixu 7–6(3), 6–2Win 10–8 Jul 2019ITF Tianjin, ChinaW25 Hard Tang Qianhui Wu Meixu Zheng Wushuang 7–5, 6–2Win 11–8 Aug 2019ITF Guiyang, ChinaW25 Hard Tang Qianhui Eudice Chong Aldila Sutjiadi 7–5, 7–5Win 12–8 Sep 2019Changsha Open, ChinaW60 Clay Tang Qianhui Rutuja Bhosale Erika Sema 6–3, 3–6, [11–9]Win 13–8 Oct 2019Suzhou Ladies Open, ChinaW100 Hard Tang Qianhui Ankita Raina Rosalie van der Hoek 3–6, 6–3, [10–5]Win 14–8 Nov 2019Liuzhou Open, ChinaW60 Hard Tang Qianhui Ankita Raina Rosalie van der Hoek 6–4, 6–4Win 15–8 Jun 2023ITF Changwon, South KoreaW25 Hard Guo Hanyu Cho I-hsuan Cho Yi-tsen 7–6(4), 7–6(1)Win 16–8 Aug 2023Kunming Open, ChinaW40 Clay Guo Hanyu Zhibek Kulambayeva Lanlana Tararudee 6–2, 6–0Win 17–8 Sep 2023ITF Guiyang, ChinaW25 Hard Guo Hanyu Cho I-hsuan Cho Yi-tsen 7–5, 6–4Win 18–8 Nov 2023Takasaki Open, JapanW100 Hard Guo Hanyu Momoko Kobori Ayano Shimizu 7–6(5), 5–7, [10–5]

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