Dominic Thiem Pictures
BELGRADE, SERBIA - JUNE 12: (L-R) Nenad Zimonjic of Serbia, Alexander Zverev of Germany, Dominic Thiem of Austria and Novak Djokovic pose for a photo prior to the exhibition double match of the Adria Tour charity exhibition hosted by Novak Djokovic, on June 12, 2020 in Belgrade, Serbia. (Photo by Srdjan Stevanovic/Getty Images)