Kristie Ahn Pictures
NEW YORK, NEW YORK - SEPTEMBER 01: Kristie Ahn of the United States serves the ball during her Women's Singles first round match against Serena Williams of the United States on Day Two of the 2020 US Open at the USTA Billie Jean King National Tennis Center on September 1, 2020 in the Queens borough of New York City. (Photo by Al Bello/Getty Images)