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

World No.1 and defending champion Jannik Sinner, Iga Swiatek, Elina Svitolina, Elena Rybakina and other big players will be in action on Day 9 of the hard court major at the Melbourne Park.

Defending champion Jannik Sinner comes from a set down to win and Britain's Katie Boulter is beaten at the Australian Open.

MELBOURNE - Jannik Sinner battled through illness to reach the quarter-finals of the Australian Open on Monday as his Italian compatriot Lorenzo Sonego ended teenager Learner Tien's fairytale run. Read more at straitstimes.

Defending champion Jannik Sinner is through to third round after Britain's Katie Boulter is beaten following Emma Raducanu's win at the Australian Open.

Elina Svitolina of Ukraine gestures during her fourth round match against Veronika Kudermetova of ... (AP Photo/Manish Swarup) Jannik Sinner of Italy reacts during his fourth round match against ...

MELBOURNE, Australia — First came the medical timeouts, one each for Jannik Sinner and Holger ... 6-1 winner against Veronika Kudermetova. Five-time major champion Iga Swiatek had — no ...

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

Sinner given scare by wildcard, Boulter knocked out and Raducanu issues injury update - Raducanu set up a clash with Iga Swiatek but battled through more injury worries in her win over Amanda Anisimov

World No. 1 Jannik Sinner fought through blistering heat and an undisclosed ailment to defeat Holger Rune 6-3, 3-6, 6-3, 6-2 and advance to the quarterfinals of the Australian Open on Monday. Sinner, the defending champion, met with the tournament doctor before beginning the match and needed a medical timeout in the third set.

Defending Australian Open champion Jannik Sinner stumbled early Thursday ... beat Erika Andreeva (RUS) 6-2 6-3 Veronika Kudermetova (RUS) beat 22-Katie Boulter (GBR) 7-6(3) 2-6 6-2 28-Elina Svitolina (UKR) beat Caroline Dolehide (USA) 6-1 6-4 4-Jasmine ...

No. 19 seed Madison Keys scored the big upset on Day 9 of the Australian Open, defeating No. 6 Elena Rybakina 6-3, 1-6, 6-3 at Margaret Court Arena to advance to the tournament quarterfinals.