Jack Draper’s mid-match retirement against the reigning Wimbledon champion Carlos Alcaraz was the result of a hip injury that he described as “a ticking time bomb”.

Carlos Alcaraz has reached his 10th career Grand Slam quarterfinal, tied for the most by a man before his 22nd birthday, by advancing at the Australian Open when 15th-seeded Jack Draper stopped playing because of injury after dropping the first two sets of their fourth-round match.

Carlos Alcaraz expressed sympathy for his opponent Jack Draper after the Briton was forced to retire from their Australian Open match. "It's not the way I want to win the match to get through to the next round,