Roger Federer and Rafael Nadal are also in this exclusive club, where one player's achievement ranks head and shoulders above the rest

After his last match at Wimbledon, the Serbian veteran revealed that he met Gael Monfils in the locker room and that the Frenchman congratulated him. "He smiled at me and told me that at our age we need matches that end quickly. I just hope to continue playing like this, but I am aware that my feelings could change from one day to the next.

Novak Djokovic helps many tennis players. He shares his knowledge with them. Daniil Medvedev, Jakub Mensik, and others have benefited. Aryna Sabalenka also got advice from him. Djokovic offers guidance on technique and mindset.