CINCINNATI, OH - AUGUST 16: Frances Tiafoe (USA) hits a backhand during the Western & Southern Open at the Lindner Family Tennis Center in Mason, Ohio on August 16, 2017.(Photo by George Walker/Icon Sportswire via Getty Images)
CINCINNATI, OH - AUGUST 16: Frances Tiafoe (USA) hits a backhand during the Western & Southern Open at the Lindner Family Tennis Center in Mason, Ohio on August 16, 2017.(Photo by George Walker/Icon Sportswire via Getty Images)