NEW YORK, NEW YORK - AUGUST 23: John Isner plays Hubert Hurkacz of Poland during the Western & Southern Open at the USTA Billie Jean King National Tennis Center on August 23, 2020 in New York City. (Photo by Matthew Stockman/Getty Images)
NEW YORK, NEW YORK - AUGUST 23: John Isner plays Hubert Hurkacz of Poland during the Western & Southern Open at the USTA Billie Jean King National Tennis Center on August 23, 2020 in New York City. (Photo by Matthew Stockman/Getty Images)