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 appears to be in good spirits after his unfortunate exit from Wimbledon on Monday. While en route to upsetting World No. 1 Jannik Sinner in the round of 16, up 2-0 in sets, Dimitrov was forced to withdraw from the match with a partial pectoral tear.

After winning the first two sets and having Sinner in serious upset danger, Grigor Dimitrov had to retire due to injury in the third set. The 34-year-old from Bulgaria had battled injuries for much of his career, and he knew something was wrong with his pectoral muscle after a serve.

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 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.

This retirement was particularly devastating given Dimitrov’s recent history. Over the past year, he had been forced to withdraw from four consecutive Grand Slams due to various injuries.

Jannik Sinner reached the quarterfinals at the Wimbledon Championships in a completely unexpected way. The world No. 1 was considered a clear favorite against Bulgarian veteran Grigor Dimitrov on Centre Court,

Grigor Dimitrov retired from his Wimbledon match against top-seeded Jannik Sinner due to a pectoral injury despite leading 6-3, 7-5, 2-2, marking his fifth straight Grand Slam retirement.