Dimitrov most recently retired from the first round of the French Open with a thigh injury while holding a 6-2, 6-3, 2-6 lead over American Ethan Quinn. He retired from Wimbledon in the fourth round in 2024 with an abductor tear. He trailed Daniil Medvedev, 5-3, in the first set at the time of that injury.

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.

Grigor Dimitrov was forced to retire from his Wimbledon last-16 loss against Jannik Sinner on Monday night after suffering a muscle tear while two sets up