The 34-year-old Bulgarian won the first two sets 6-3, 7-5 and was tied with Sinner 2-2 in the third when he went down with the injury.

Grigor Dimitrov looked set to spring a major surprise as he led world No.1 Jannik Sinner by two sets on Centre Court and was playing brilliantly, when a torn pec meant he had to forfeit against the to

Jannik Sinner advanced to the Wimbledon quarterfinals despite hurting his right elbow in a fall and dropping the first two sets Monday night, because his opponent, Grigor Dimitrov, had to quit with an injured pectoral muscle.