KK59 New York - Srbský tenista Novak Djokovič (vpravo) a jeho tréner Viktor Troicki počas tréningu s Nemcom Alexandrom Zverevom na grandslamovom turnaji US Open vo Washingtone 26. augusta 2026. FOTO TASR/AP Novak Djokovic, of Serbia, right, reacts with a coach, left, during a practice with Alexander Zverev, of Germany, at the U.S. Open tennis championships Wednesday, Aug. 26, 2026, in New York. (AP Photo/Frank Franklin II)