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

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

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.

First came the medical timeouts, one each for Jannik Sinner and Holger Rune with the temperature above 90 degrees Fahrenheit (32 Celsius) at the Australian Open. Then came the bizarre sight of a 20-minute delay because the net at Rod Laver Arena detached from the court after being hit by a big Sinner serve.

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.

Sinner was joined in the quarter-finals by countryman Lorenzo Sonego, who is through to this stage at a grand slam for the first time after ending the run of 19-year-old American Learner Tien with a 6-3 6-2 3-6 6-1 victory.

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.

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.

In the quarterfinals, Sinner will face No. 8 Alex de Minaur of Australia, who ousted American Alex Michelsen 6-0, 7-6 (5), 6-3. It will be the first quarterfinals appearance for de Minaur in his home country's Grand Slam, and he became just the third Aussie man to reach the round in 20 years.