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.

Watch match point as world number one Jannik Sinner reaches the semi-finals of Wimbledon with a 7-6 (7-2) 6-4 6-4 win over American 10th seed Ben Shelton.

Jannik Sinner sure didn’t play like someone dealing with an injured right elbow Wednesday, using terrific serving and his usual booming forehand to dismiss 10th-seeded Ben Shelton 7-6 (2), 6-4, 6-4 and earn a second appearance in the Wimbledon semifinals.