Carlos Alcaraz made his 10th career Grand Slam quarterfinals when Jack Draper retired due to injury, while American Tommy Paul also advanced 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.

The British No 1 faces a stiff task as Alcaraz looks to continue his chase for a career grand slam before Djokovic is in action later