Claire Liu (born on May 25, 2000 in Thousand Oaks, California) is an American tennis player. She is the World No. 1 in the junior rankings after winning the 2017 Junior Wimbledon title, and finishing runner-up at the 2017 Junior French Open. Liu also won a junior grand slam doubles title at Wimbledon with Usue Arconada in 2016.On the pro circuit, Liu has won three ITF singles titles, and reached a career-high WTA singles ranking of No. 275.Liu is from Thousand Oaks in California, the same city as Sam Querrey. Wikipedia
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