BELGRADE, SERBIA - JUNE 14: Novak Djokovic of Serbia posing for photographers with tournament volunteers on June 14, during the 3rd day of Summer Adria Tour, 2020 in Belgrade, Serbia. (Photo by Nikola Krstic/MB Media/Getty Images)
BELGRADE, SERBIA - JUNE 14: Novak Djokovic of Serbia posing for photographers with tournament volunteers on June 14, during the 3rd day of Summer Adria Tour, 2020 in Belgrade, Serbia. (Photo by Nikola Krstic/MB Media/Getty Images)