Jason Kubler Pictures
NEW YORK, NY - AUGUST 29: Jason Kubler of Australia lays on the court during his men's singles second round match against Taylor Fritz of the United States on Day Three of the 2018 US Open at the USTA Billie Jean King National Tennis Center on August 29, 2018 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)