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.

World No.1 Aryna Sabalenka was put to the test but came through in straight sets 7-6, 6-4 over Denmark’s Clara Tauson to make it to the fourth round of the ongoing Australian Open 2025 on Friday, January 17.

Coco Gauff and two-time defending champion Aryna Sabalenka have moved closer to another semifinal showdown at the Australian Open.

Australian Open 2025 sees some of the bigwigs in action today at Melbourne Park including India's Rohan Bopanna. The Indian tennis veteran is in Mixed Doubles action. Moreover, Carlos Alcaraz will take the court as well as well Novak Djokovic.

Sinner is bidding to defend a Grand Slam title for the first time after beating Daniil Medvedev in the final last year.

MELBOURNE, Australia — 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.

The Day 9 of the Australian Open 2025 is underway at Melbourne Park as it promises to deliver some fantastic and exciting tennis. Jannik Sinner will battle it out against Holger Rune, while Gael Monfils will take on Ben Shelton.

MELBOURNE - Defending champion Jannik Sinner overcame debilitating illness as well as Dane Holger Rune to reach the quarter-finals of the Australian Open for the third time with a 6-3 3-6 6-3 6-2 victory on Monday.

Ukraine’s 30-year-old Elina Svitolina, the wife of celebrated Frenchman Gael Monfils and mother to their two-year-old daughter, Skai, reached the final eight in Melbourne for the first time in six years – “a lifetime ago” – by beating Veronika Kudermetova 6-4, 6-1. As always, she refused to shake the hand of a Russian opponent.

The 24-time slam champion, who is trying to win a record-extending 11th title at Melbourne Park, played less tennis than many of his rivals did in 2024 while failing to win a slam. Instead they were split between Jannik Sinner (Australian, US) and Carlos Alcaraz (French, Wimbledon).

Sabalenka's fourth-round challenge will be the 14th seed Mirra Andreeva, who she leads 3-1 in head-to-head record. Andreeva secured her first win against Sabalenka at the French Open quarterfinals last year.

Naomi Osaka, a four-time major champion, stopped after the first set of her match against Belinda Bencic on Friday because of a strained abdominal muscle.