Hyeon Chung Pictures
MELBOURNE, AUSTRALIA - JANUARY 12: (L-R) Milos Raonic of Canada, Grigor Dimitrov of Bulgaria, Victoria Azarenka of Belarus, Naomi Osaka of Japan, Novak Djokovic of Serbia and Hyeon Chung of South Korea pose for a photo during the 2019 Australian Open Kids Day at Melbourne Park on January 12, 2019 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)