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MASON, OHIO - AUGUST 12: Yoshihito Nishioka of Japan returns a shot to Jordan Thompson of Australia during the Western & Southern Open at Lindner Family Tennis Center on August 12, 2019 in Mason, Ohio. (Photo by Matthew Stockman/Getty Images)

MASON, OHIO - AUGUST 12: Yoshihito Nishioka of Japan returns a shot to Jordan Thompson of Australia during the Western & Southern Open at Lindner Family Tennis Center on August 12, 2019 in Mason, Ohio. (Photo by Matthew Stockman/Getty Images)