MASON, OHIO - AUGUST 17: Cameron Norrie of Great Britain returns a shot to John Isner during the Western & Southern Open at Lindner Family Tennis Center on August 17, 2021 in Mason, Ohio. (Photo by Matthew Stockman/Getty Images)
MASON, OHIO - AUGUST 17: Cameron Norrie of Great Britain returns a shot to John Isner during the Western & Southern Open at Lindner Family Tennis Center on August 17, 2021 in Mason, Ohio. (Photo by Matthew Stockman/Getty Images)