FILE - Serbia's Novak Djokovic receives medical assistance for his right knee during his fourth round match of the French Open tennis tournament against Argentina's Francisco Cerundolo at the Roland Garros stadium in Paris, Monday, June 3, 2024. Novak Djokovic withdrew from the French Open with an injured right knee on Tuesday, June 4, 2024, ending his title defense and meaning he will relinquish the No. 1 ranking. (AP Photo/Jean-Francois Badias, File)