Dominic Thiem Pictures
BELGRADE, SERBIA - JUNE 12: (L-R) Alexander Zverev of Germany, Novak Djokovic of Serbia, Grigor Dimitrov of Bulgaria and Dominic Thiem of Austria during a press conference prior to the Adria Tour tennis event on June 12, 2020 in Belgrade, Serbia. (Photo by Srdjan Stevanovic/Getty Images)