Carlos Alcaraz reached his second Australian Open quarter-final after injury-hampered opponent Jack Draper retired while trailing 7-5 6-1 on Sunday. Third seed Alcaraz was well on top in the afternoon

British No 1 Draper was left hobbled after a brutal run to the last 16 and called time after two sets against the classy Alcaraz, who could meet Djokovic in the quarter-finals

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.