NEW YORK, NEW YORK - AUGUST 26: Petra Martic of Croatia returns the ball against Tamara Zidansek (not pictured) of Slovenia during their Women's Singles first round match during day one of the 2019 US Open at the USTA Billie Jean King National Tennis Center on August 26, 2019 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)
