Novak Djokovic beats Juan Martin del Potro 2-1 at Italian Open

Serbia's Novak Djokovic returns a shot during the men's singles quarterfinal match against Argentina's Juan Martin del Potro at the Italian Open Tennis tournament (International BNL d'Italia) at Foro Italico sports complex on May 17, 2019 in Rome, Italy. Novak Djokovic won 2-1. (Xinhua/Alberto Lingria)