Petra Kvitova Pictures
NEW YORK, NEW YORK - SEPTEMBER 02: Kateryna Kozlova of the of the Ukraine serves the ball during her Women's Singles second round match against Petra Kvitova of the Czech Republic on Day Three of the 2020 US Open at the USTA Billie Jean King National Tennis Center on September 2, 2020 in the Queens borough of New York City. (Photo by Al Bello/Getty Images)