Tennis legend Roger Federer looked shell-shocked as a tearful Dimitrov walked over to the chair umpire to shake his hand. Sinner later said: "I don't take this as a win at all, this is just an unfortunate moment for all of us to witness.

London: The Centre Court at Wimbledon was moving towards an upset victory when 34-year-old Grigor Dimitrov won the first two sets against world number one Jannik Sinner, when an injury changed the mood of the match.

Jannik Sinner advanced to the Wimbledon quarterfinals after Grigor Dimitrov retired due to injury, while Novak Djokovic overcame a slow start to win.