Carlos Alcaraz passed on a classy get-well-soon message to Jack Draper and backed the British number one to ‘come back stronger’ after he retired midway through their fourth-round meeting at the Australian Open.

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.