Catherine Elizabeth Frances Harrison (born April 9, 1994) is an American tennis player.
She has career-high WTA rankings of 214 in singles, achieved on 12 September 2022, and No. 69 in doubles, reached on 11 July 2022.
Harrison played college tennis at the University of California, Los Angeles (UCLA).
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Career
2011: WTA Tour debut
Harrison made her WTA Tour main-draw debut at the 2011 Cellular South Cup, after receiving a wildcard for the singles competition.
2022: Major debut
Harrison won her first doubles title at the Monterrey Open, partnering compatriot Sabrina Santamaria and defeating Han Xinyun and Yana Sizikova in the final.
She made her Grand Slam tournament debut at the French Open in doubles. Harrison qualified to make her singles debut at the Wimbledon, defeating Arantxa Rus in the first round then losing her next match to Ajla Tomljanovic. She also qualified for the main draw at the US Open, losing to sixth seed Aryna Sabalenka in the first round.
Performance timelines
Only main-draw results in WTA Tour, Grand Slam tournaments, Billie Jean King Cup and Olympic Games are included in win–loss records.




