Jannik Sinner has withdrawn from the upcoming ATP 1000 Shanghai Masters, scheduled to begin on October 7, due to a right knee injury. The Italian tennis player will delay his return to competition, which was anticipated during the Asian swing. Sinner has not competed since winning Wimbledon on July 12. In a statement, he expressed regret over his withdrawal, saying, 'I’m very sorry.' This injury has raised concerns about the status of his health as he prepares for future tournaments.