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MASON, OHIO - AUGUST 16: Filip Krajinovic of Serbia plays a forehand during his match against Alex de Minaur of Australia during the Western & Southern Open - Day 2 at Lindner Family Tennis Center on August 16, 2021 in Mason, Ohio. (Photo by Dylan Buell/Getty Images)

MASON, OHIO - AUGUST 16: Filip Krajinovic of Serbia plays a forehand during his match against Alex de Minaur of Australia during the Western & Southern Open - Day 2 at Lindner Family Tennis Center on August 16, 2021 in Mason, Ohio. (Photo by Dylan Buell/Getty Images)