Nadal retired last year at the same age, while Roger Federer stepped away in 2022 at age 41. Djokovic failed to show his best in the loss to Sinner, 23, after struggling at times to keep up with his power, whiffing on a forehand attempt early in the match and missing an easy lob at the net during the decisive third-set tiebreaker.

Alexander Zverev was beaten by Taylor Fritz in the final of the BOSS Open in Stuttgart on Sunday, and jokingly told his rival to "stay away from me" after his victory