Wang Xiyu (Chinese: 王曦雨; pinyin: Wáng Xīyǔ; Mandarin pronunciation: [wǎŋ ɕí ỳ] ; born 28 March 2001) is a Chinese professional tennis player. She reached a career-high WTA singles ranking of No. 49 on 9 January 2023, and a best doubles ranking of No. 87 on 14 October 2024.
Wang became junior world No. 1 on 10 September 2018, right after winning her only singles major title at the 2018 US Open, defeating Clara Burel in the final. The same year, she finished as quarterfinalist in the Australian Open and French Open and then as semifinalist in Wimbledon, all in singles. In doubles, she also won one major title, at the 2018 Wimbledon Championships, partnering with Wang Xinyu, and finished runner-up at the 2017 US Open alongside Lea Bošković. She also reached semifinals at the 2017 French Open and 2018 Australian Open.
On the ITF Junior Circuit, Wang won six singles and eight doubles titles.
Wang made her ITF Women's Circuit debut in 2016 at Anning as a wildcard player. Despite the loss in her first match, the following week she reached semifinal at another $10k event in the same city. In October 2017, she made her WTA Tour main-draw debut at the 2017 Tianjin Open and recorded her first win, over Danka Kovinić.
She had her breakthrough in 2018. In the early season, she reached quarterfinals at the $60k Burnie International, and soon after, she competed at the Premier Mandatory Miami Open but failed to qualify. In April, she recorded her first win on the WTA Challenger Tour, defeating Naomi Broady in order to reach the second round of the Zhengzhou Women's Open. In August, she won her first singles title, defeating Barbora Štefková in the final of a $25k event in Nonthaburi. She then finished runner-up at another $25k event in Nonthaburi and won the title at the $25k event in Tsukuba. Her last tournament of the season was the Wuhan Open, where she made her debut at Premier 5-level tournaments. There, she recorded a win over wildcard player Bernarda Pera, before losing in a tense match against Daria Kasatkina.
2019: Major and WTA Premier debuts
Wang reached another quarterfinal at the Burnie International. In March, she made her debut at the Premier Mandatory level tournaments as a wildcard, reaching the second round of the Miami Open. There, she also recorded her first win on that level, defeating Monica Puig in the first round. In April, she reached final at the $25k event in Osaka and one month later won her first bigger title at the $60k event in La Bisbal d'Emporda, defeating Dalma Gálfi in the final. In June, she reached quarterfinals at the $100k Manchester Trophy. Unlike the first three majors of the year, Wang reached the main draw at the US Open, but lost to Kirsten Flipkens in the first round. Later, she had first-round losses at the Wuhan Open and China Open, but ended one round further at the Tianjin Open.
2020-22: First WTA Tour semifinal & major match win, top 50
Wang started the year with a win over Sorana Cîrstea at the Shenzhen Open, but then lost to third seed Elise Mertens. However, she failed to reach the main draw of the Australian Open, Wang reached quarterfinals of the Hua Hin Championships, where she defeated world No. 15, Petra Martić. She followed this up with a semifinal at the Mexican Open; after three wins, she lost to Heather Watson.
At the Australian Open, she recorded her first major match win as a wildcard entrance against qualifier Viktória Kužmová, before losing to fourth seed Barbora Krejčíková in the second round.
She reached a new career-high singles ranking of 103, on 9 May 2022, and made her top 100 debut a month later on 13 June 2022, after reaching her first WTA 125 final at the Open Internacional de Valencia.
She made her debut at Wimbledon where she lost in the first round to another debutante at this major, Jule Niemeier.
At the Budapest Grand Prix, she defeated top seed Barbora Krejčíková in the first round and overcame Ana Bogdan in the longest straight-sets match of the year, in two hours and 45 minutes in the second round to move to the quarterfinals, where she was eliminated by Aleksandra Krunić.
In August, Wang defeated third seed Maria Sakkari to reach the third round of the US Open, before losing to Alison Riske-Amritraj, in three sets.
She ended the year ranked in the top 50 on 7 November 2022.
2023: WTA 1000 fourth round, maiden WTA Tour title
At the Madrid, Wang defeated 23rd seed Bianca Andreescu in the second round, but lost her next match to 11th seed Barbora Krejčíková. She reached the fourth round of a WTA 1000 event for the first time at the Italian Open, before losing to countrywoman and 22nd seed Zheng Qinwen.
Wang won her maiden WTA Tour title in Guangzhou, defeating top seed Magda Linette in the final.