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.

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.

Jannik Sinner has achieved his goal by reaching the quarterfinals at the 2025 Australian Open. The world number 1 defeated a very dangerous opponent like Holger Rune in four sets, overcoming a malaise that hit him between the second and third sets and also forced him to leave the court for assistance.

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.

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 's exciting fourth-round clash with Holger Rune at the Australian Open was suspended when the world No. 1 accidentally broke the net. There had been plenty of delays in Monday's match with both men taking medical time outs.

World no. 1 Jannik Sinner has survived a mid-match health scare to keep his title defence alive at Melbourne Park. Jannik Sinner looked sick and sorry, with his Australian Open title defence under siege.

The defending champion moved into the quarterfinals at Melbourne Park on Monday by eliminating the 13th-seeded Rune 6-3, 3-6, 6-3, 6-2.

WORLD number one Jannik Sinner was seen trembling in worrying scenes during the Australian Open. The incident occurred during his fourth round win over Holger Rune at the Rod Laver Arena today.

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

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.