Novak Djokovic says accusations from critics that he is "faking" his hamstring injury are only adding to his motivation to win the Australian Open title.
A disappointed Sebastian Korda was forced to retire with a wrist injury during his Australian Open clash with Karen Khachanov, sending the Russian through to a second consecutive grand slam semi-final.
Reigning Wimbledon champion Elena Rybakina eased into the semi-finals of the Australian Open for the first time in her career with a straight-sets victory over Jelena Ostapenko.
As if his rivals needed any more reasons to fear him, Novak Djokovic is feeling a lot more confident about his chances of winning a 10th Australian Open title.
Novak Djokovic was firing on all cylinders as he dismantled home favourite Alex De Minaur to reach the quarter-finals of the Australian Open for the 13th time.
Men's doubles pair Lloyd Harris and Raven Klaasen were knocked out in the third round at the Australian Open on Monday.