Top seed Jannik Sinner struggled with an elbow problem and was given an almighty scare before advancing to the quarter-finals of Wimbledon after a cruel twist of fate for his 19th-seeded opponent Grigor Dimitrov who retired injured while two sets up.

In a video of the moment, it looked as though the 34-year-old Dimitrov injured a pectoral muscle on a volley. Almost immediately after the hit, he fell to the ground, clutching the right side of his chest in pain.

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