MASON, OHIO - AUGUST 14: Naomi Osaka of Japan returns a shot to Aliaksandra Sasnovich of Belarus during Day 5 of the Western and Southern Open at Lindner Family Tennis Center on August 14, 2019 in Mason, Ohio. (Photo by Rob Carr/Getty Images)
MASON, OHIO - AUGUST 14: Naomi Osaka of Japan returns a shot to Aliaksandra Sasnovich of Belarus during Day 5 of the Western and Southern Open at Lindner Family Tennis Center on August 14, 2019 in Mason, Ohio. (Photo by Rob Carr/Getty Images)