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.

THE ALL ENGLAND CLUB, LONDON — World No. 1 Jannik Sinner was on the precipice of a fourth-round exit from Wimbledon when he ended up on the receiving end of the absolute worst kind of good luck in sports.

The recent victory of Jannik Sinner over Novak Djokovic at Wimbledon, with scores of 6-3, 6-3, 6-4, marks his 80th Grand Slam win and propels him to his first final in this prestigious tournament. The 23-year-old Italian,