In the Australian Open Round of 16 on Sunday, No. 1-ranked Jannik Sinner takes on No. 13 Holger Vitus Nodskov Rune.Sinner enters the Round of 16 after his three-set win on Saturday over Marcos

Holger Rune didn't have anything against Jannik Sinner taking a medical timeout but noted that a lengthy break ruined his rhythm. After the world No. 1 started to physically struggle late in the second set of their Australian Open round-of-16 match - the Italian's hands were shaking and his movement was impacted - the Dane won that set and also had the upper hand early in the third set.

The World No. 1, despite feeling unwell in sweltering conditions, kept up his title defense with a four-set triumph.

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.

The screw holding the net in place at the Australian Open’s main stadium got jarred loose during defending champion Jannik Sinner’s fourth-round victory against Holger Rune, delaying play for about 20 minutes early in the fourth set.

Jannik Sinner, the world No 1 and defending champion, looked to be heading out of the Australian Open until he was rescued by a controversial medical time-out.

Jannik Sinner and Holger Rune thrilled fans on Sunday with what will likely go down as the best point of the 2025 Australian Open. Sinner, the World No. 1

Jannik Sinner defeated Holger Rune in four sets at the Australian Open after experiencing a health scare during the match.

World no. 1 Jannik Sinner is through to his third Australian Open quarter-final within four years. The Italian faced Holger Rune in the fourth round at Rod Laver Arena and earned a 6-3, 3-6, 6-3, 6-2 victory in three hours and 13 minutes.