MELBOURNE, AUSTRALIA - JANUARY 11: Naomi Osaka of Japan plays a shot during a practice session ahead of the 2019 Australian Open at Melbourne Park on January 11, 2019 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)
MELBOURNE, AUSTRALIA - JANUARY 11: Naomi Osaka of Japan plays a shot during a practice session ahead of the 2019 Australian Open at Melbourne Park on January 11, 2019 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)