World number 1 tennis player Jannik Sinner, who glided into the finals of Wimbledon, defeating Novak Djokovic, has been wearing a compression elbow sleeve due to an injury he sustained early in the tournament.

Jannik Sinner is through to the Wimbledon quarterfinals, though not in the way he wanted. Sinner lost the first two sets of his fourth-round match with Grigor Dimitrov on Monday before Dimitrov was forced to retire from the match after suffering an apparent pectoral injury.

Follow our analysis and reactions from day eight at Wimbledon as Jannik Sinner and Novak Djokovic moved into the quarterfinals

Grigor Dimitrov broke silence following a heartbreaking retirement from his Wimbledon fourth-round clash against world no. 1, Jannik Sinner. Grigor forged a 6-3, 7-5, 2-2 advantage before shoulder pain forced him to stop, marking one of the most devastating moments of his career.

Jannik Sinner has advanced to the Wimbledon quarterfinals despite hurting his right elbow on a fall and dropping the first two sets.

Sinner is the World No. 1 and a -330 favorite to beat the rising American, but there are more concerns about the Italian coming into this match than Shelton. The most notable is that Sinner injured his elbow in his match against Grigor Dimitrov on Monday, and it was uncertain whether or not he would even be able to play on Wednesday.

Tuesday at Wimbledon will feature a quarterfinal between No. 1 seed Jannik Sinner and No. 10 seed Ben Shelton in the first men's singles match of the day.