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)
Serbia's Novak Djokovic slipped and fell during the 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. (AP Photo/Christophe Ena)
Novak Djokovic of Serbia sits in his chair during a training session on Court 2 at the All England Lawn Tennis and Croquet Club in Wimbledon, London, Friday, June 28, 2024. The Wimbledon Championships begin on July 1. (AP Photo/Kirsty Wigglesworth)
Novak Djokovic of Serbia wipes his face during a training session on Court 2 at the All England Lawn Tennis and Croquet Club in Wimbledon, London, Friday, June 28, 2024. The Wimbledon Championships begin on July 1. (AP Photo/Kirsty Wigglesworth)
Novak Djokovic of Serbia plays a return during a training session on Court 2 at the All England Lawn Tennis and Croquet Club in Wimbledon, London, Friday, June 28, 2024. The Wimbledon Championships begin on July 1. (AP Photo/Kirsty Wigglesworth)