Holger Rune didn't have anything against Jannik Sinner taking a medical timeout but noted that a lengthy break ruined his rhythm.

Jannik Sinner is through to the Australian Open quarterfinals after a drama-filled fourth-round win over Holger Rune. World No. 1 Sinner won in four sets, 6-3. 3-6, 6-3, 6-2, but this did not tell the story of a contest defined by illness.

Defending champion Jannik Sinner has moved into the quarterfinals at the Australian Open after beating Holger Rune during a match slowed down by medical timeouts for each player and a delay because the net got knocked loose.

Defending champion Jannik Sinner takes on Alex de Minaur in the last quarterfinal of the men's singles event on Wednesday

Ailing defending champion Jannik Sinner admitted he was fortunate to survive a fourth-round battle with Holger Rune at the Australian Open. Sinner looked in deep trouble after losing the second set and he took a long medical timeout early in the third as he battled to stay on level terms.

The screw holding the net in place at the Australian Open’s main stadium has been jarred loose during defending champion Jannik Sinner’s fourth-round victory over Holger Rune.