By Martyn Herman LONDON (Reuters) -World number one Jannik Sinner shrugged off any fears about his injured elbow with a clinical defeat of powerful young American 10th seed Ben Shelton to reach the Wimbledon semi-final for the second time on Wednesday.

Luck favored Jannik Sinner, who, despite being two sets down in the Wimbledon fourth round, advanced due to the unfortunate withdrawal of Grigor Dimitrov, who suffered a chest strain. The

The world's No. 1 experienced discomfort in his elbow after taking an "unfortunate fall" in the fourth round of Wimbledon against Grigor Dimitrov. The match proved to be a battle of attrition as an injury forced Dmitrov to retire mid-match, meaning Sinner would advance despite playing through pain.

Despite facing some injury concerns ahead of his Wimbledon semifinal match against Jannik Sinner, seven-time champion Novak Djokovic must be willing to leave it on all the court if he hopes to prevail,

Jannik Sinner sparked injury concerns at Wimbledon after cancelling a practice session and undergoing an MRI on his elbow following a fall in his four

Concerns remain over Novak Djokovic's fitness after he cancels a scheduled practice session before his Wimbledon semi-final against Jannik Sinner.

Sinner plays down concerns over wrist injury Getty Images Speaking on court after his semifinal against Draper, Jannik Sinner said: “It was a very physical match, and I just tried to stay there ...