Claire Liu

Claire Liu (born May 25, 2000) is an American professional tennis player. On 30 January 2023, she reached her career-high singles ranking of world No. 52.

Liu has won one singles title and one doubles title on the WTA Challenger Tour as well as eight titles in singles and one doubles title on the ITF Women's Circuit.

In 2017, she was the world No. 1 in the junior rankings, winning the Wimbledon girls' singles title and finishing runner-up at the French Open. Liu also won a junior Grand Slam doubles title at Wimbledon with Usue Arconada in 2016.

Personal life Liu grew up in Thousand Oaks, California. Both her parents are Chinese immigrants. In 2023, she began maintaining a blog that recounts her experiences on the professional tennis tour and personal life.

Career Juniors Junior Grand Slam performance - Singles: Australian Open: – French Open: F (2017) Wimbledon: W (2017) US Open: 2R (2013, 2016)

Junior Grand Slam performance - Doubles: Australian Open: – French Open: QF (2017) Wimbledon: W (2016) US Open: QF (2016)

Liu won the Wimbledon junior doubles tournament in 2016 with fellow American Usue Maitane Arconada, defeating Mariam Bolkvadze and Caty McNally in the final. The following year, after losing the French Open junior final to Whitney Osuigwe, she won the Wimbledon singles title against Ann Li, making her the first American to win the event since Chanda Rubin in 1992. With this Grand Slam success, Liu rose to world No. 1 in the girls' junior rankings.

2015: First professional title, mixed doubles major debut She won her first professional title in March 2015 at a clay-court tournament on the ITF Women's Circuit. At age 14, Liu was the youngest tennis player to win a professional tournament since Anna Kournikova in 1996.

On her debut at the US Open, Liu was granted a wildcard into the qualifying tournament, losing in the final round. Liu, alongside Taylor Fritz, was given a wildcard for the mixed-doubles draw; they were defeated in the first round.

2017–2021: First major match win, top 100 After securing two ITF tournament wins in 2017, Liu was granted again a wildcard into the qualifying for the US Open and earned a spot in the singles main draw of a Grand Slam championship for the first time. She was defeated in the first round by Duan Yingying.

Liu qualified for the main-draw at the 2018 Wimbledon Championships and won her first match at a major by defeating Ana Konjuh, before losing in the second round to 11th seed eventual champion, Angelique Kerber, in three sets.

In October 2019, Liu won her fourth title on the ITF Circuit at a $25k tournament in Florence, South Carolina.

After finishing as a runner-up in two tournaments in 2020 and another two in 2021, Liu won consecutive tournaments in May 2021 at the $60k event in Charlottesville, Virginia and the $100k Charleston Pro Tennis. As a result, she entered the top 100 on 23 August 2021.

2022: First WTA Tour final and 125 title In May, Liu won her first WTA 125 title at the Trophee Lagardère in Paris, defeating Beatriz Haddad Maia in the final. The following week she reached her first WTA Tour final in Rabat, losing to Martina Trevisan.

She made it through to the semifinals at the Jasmin Open in Monastir, Tunisia, defeating top seed Ons Jabeur in the quarterfinals for her first win over a top-10 ranked player. Her run was ended in the last four by fifth seed and eventual champion Elise Mertens.

2023: WTA 1000 third round, Challenger final At the 2023 Australian Open, Liu overcame Madison Brengle to reach the second round, where she lost to 12th seed Belinda Bencic. She reached the third round of a WTA 1000 for the first time at the Miami Open, losing to 25th seed Martina Trevisan.

Liu made it through to the second round at the French Open thanks to a win over qualifier Ylena In-Albon, but lost to top seed and eventual champion Iga Świątek.

In July, she reached the quarterfinals at the Swedish Open, losing Louisa Chirico in three sets. The following week at the Hungarian Open, Liu recorded wins over fourth seed Yulia Putintseva and eighth seed Anna Karolína Schmiedlová en route to the semifinals, where she lost to Kateryna Baindl.

Liu was runner-up at the Chicago Challenger, losing to Viktoriya Tomova in the final. She reached the quarterfinals at the Korea Open, where she lost to top seed and eventual champion Jessica Pegula.

2024–2025: Hiatus and comeback In May 2024, Liu won the ITF tournament in Saint-Gaudens, France, defeating Séléna Janicijevic in the final. She qualified for the 2024 Miami Open and defeated Petra Martić, before retiring due to injury in her second round match against 10th seed Daria Kasatkina by retiring. She also qualified for the 2024 Charleston Open, but lost in the first round to wildcard entrant Shelby Rogers. Liu took the rest of the 2024 season off for a mental health break.

Seven months after her previous match, Liu returned to competitive tennis at the ITF W75 event in Nonthaburi, Thailand, in January 2025, reaching the semifinals before withdrawing due to a neck problem. Liu also qualified for the Miami Open, but again was eliminated in the first round, this time by Linda Fruhvirtová.

Liu made it through qualifying at the US Open, but lost to Cristina Bucșa in the first round. In October 2025 at the Guangzhou Open, she qualified for the main-draw and defeated fourth seed Alexandra Eala, Anna Bondár and Ella Seidel to reach her first WTA semifinal since July 2023. Liu lost in the last four to Lulu Sun.

2026: Major third round Liu qualified for the main-draw at the French Open and made it into the second round where she lost to Maria Sakkari. The following month, she qualified for the main draw at Wimbledon and defeated Hanne Vandewinkel and Zeynep Sönmez to reach the third round at a major for the first time. In the third round, Liu lost to seventh seed Coco Gauff in three sets.

Performance timelines

Only main-draw results in WTA Tour, Grand Slam tournaments, Billie Jean King Cup, United Cup, Hopman Cup, and Olympic Games are included in win–loss records.

Singles Current through the 2026 Wimbledon Championships.

Doubles Current through the 2023 WTA Tour.

WTA Tour finals

Singles: 1 (runner-up) LegendWTA 250 (0–1)Finals by surfaceClay (0–1)Finals by settingOutdoor (0–1)

WTA 125 finals

Singles: 2 (1 title, 1 runner-up)

Doubles: 2 (1 title, 1 runner-up)

ITF Circuit finals

Singles: 12 (8 titles, 4 runner-ups) LegendW100 tournaments (1–1)W60/75 tournaments (3–0)W25 tournaments (3–3)W10 tournaments (1–0)Finals by surfaceHard (0–4)Clay (8–0)

Doubles: 1 (title) LegendW60 tournaments (1–0)Finals by surfaceHard (1–0)

ResultW–LDateTournamentTierSurfacePartnerOpponentsScore Win 1–0 Aug 2019Landisville Tennis Challenge, United StatesW60 Hard Vania King Hayley Carter Jamie Loeb 4–6, 6–2, [10–5]

Junior Grand Slam tournament finals

Singles: 2 (1 title, 1 runner-up)

Doubles: 1 (title)

Wins over top-10 players Liu has a 1–8 record against players who were, at the time the match was played, ranked in the top 10.