Jiang Xinyu (Chinese: 蒋欣玗; pinyin: Jiǎng Xīnyú; Mandarin pronunciation: [tɕjàŋ ɕín y̌]; born 3 March 1999) is a Chinese professional tennis player. On 12 August 2024, she achieved a career-high doubles ranking of world No. 39. On 16 October 2023, she peaked at No. 511 in the WTA singles rankings. Jiang has won five doubles titles on the WTA Tour and 18 doubles titles on the ITF Women's Circuit.

Playing for China Billie Jean King Cup team, she has a win-loss record of 6–1.

She has won her biggest title in 2017 at the Jiangxi International Open in Nanchang, partnering Tang Qianhui,^[1] and then successfully defended it the following year.

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

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.

She won her third career title at the 2023 Guangzhou Open with Guo Hanyu. Also with Guo, she reached the final of the Ningbo Open.^[2] She received wildcards in doubles for the WTA 1000 China Open and for the WTA 500 Zhengzhou Open. With another wildcard for the Jiangxi Open, she lost to Sara Sorribes Tormo. At the same tournament, she reached the semifinals in doubles with Guo.

Following a sixth final at the Thailand Open with Guo^[3] and her first third-round showing in a Major at the Australian Open, she reached the top 50, on 5 February 2024.^{[citation needed]}

Partnering Wu Fang-hsien, Jiang won the doubles title at the Auckland Open, defeating Aleksandra Krunić and Sabrina Santamaria in the final.^[4] The following week, the pair won the Hobart International doubles title, overcoming Monica Niculescu and Fanny Stollár in the final.^[5]

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Jul 2017	Jiangxi International, China	International	Hard	Tang Qianhui	Alla Kudryavtseva Arina Rodionova	6–3, 6–2
Win	2–0	Jul 2018	Jiangxi International, China (2)	International	Hard	Tang Qianhui	Lu Jingjing You Xiaodi	6–4, 6–4
Win	3–0	Sep 2023	Guangzhou Open, China	WTA 250	Hard	Guo Hanyu	Eri Hozumi Makoto Ninomiya	6–3, 7–6(7–4)
Loss	3–1	Sep 2023	Ningbo International, China	WTA 250	Hard	Guo Hanyu	Laura Siegemund Vera Zvonareva	6–4, 3–6, [5–10]
Loss	3–2	Jan 2024	Hobart International, Australia	WTA 250	Hard	Guo Hanyu	Chan Hao-ching Giuliana Olmos	3–6, 3–6
Loss	3–3	Feb 2024	Hua Hin Championships, Thailand	WTA 250	Hard	Guo Hanyu	Miyu Kato Aldila Sutjiadi	4–6, 6–1, [7–10]
Loss	3–4	Aug 2024	Washington Open, United States	WTA 500	Hard	Wu Fang-hsien	Taylor Townsend Asia Muhammad	6–7(0), 3–6
Win	4–4	Jan 2025	Auckland Open, New Zealand	WTA 250	Hard	Wu Fang-hsien	Aleksandra Krunić Sabrina Santamaria	6–3, 6–4
Win	5–4	Jan 2025	Hobart International, Australia	WTA 250	Hard	Wu Fang-hsien	Monica Niculescu Fanny Stollár	6–1, 7–6(8–6)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	May 2023	ITF Incheon, South Korea	25,000	Hard	Cody Wong	6–1, 3–6, 0–3 ret.

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

• Jiang Xinyu at the Women's Tennis Association
• Jiang Xinyu at the International Tennis Federation
• Jiang Xinyu at the Billie Jean King Cup (archived)