Rafael Nadal waits to return serve at the 2019 French Open, Roland-Garros Stock Photo - Alamy
PARIS, IF - 03.06.2019: ROLAND GARROS 2019 - Karen Khachanov (RUS) in a match valid for the 2019 Roland Garros tournament held in Paris, France. (Photo: Andre Chaco/Fotoarena Stock Photo - Alamy