Novak Djokovic was at the centre of another Australian Open row on Monday while defending champion Jannik Sinner needed ...

Novak Djokovic was at the centre of another Australian Open row on Monday while defending champion Jannik Sinner needed medical attention in fierce heat to battle into the quarter-finals.

Follow live text and radio commentary as Alex de Minaur plays Alex Michelsen in the Australian Open fourth round.

Defending champion Jannik Sinner came through a tough physical battle against Holger Rune to reach the Australian Open ...

Defending champion Jannik Sinner stages mid-match physical recovery to overcome Holger Rune in four sets at the Australian ...