A few hours ago Iga Swiatek dropped just three games as she breezed past Emma Navarro to reach the Australian Open semi-finals and continue her bid for a maiden Melbourne title. Five-time major winner Swiatek was ruthless in a 6-1 6-2 victory over eighth seed Navarro.

American Danielle Collins is out of the Australian Open following a straight-sets defeat by fellow countrywoman Madison Keys.

The quarterfinals are underway at Melbourne Park, as rumours abound about Jannik Sinner's health ahead of his clash with Alex de Minaur. Follow live.

Australian Open latest score and updates from blockbuster quarter-final - Sinner booked his place in the semi-finals with a 6-3 6-2 6-1 victory over Australia’s De Minaur

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.

Consider Alex de Minaur after his quarterfinal loss ... could take a leaf from Madison Keys. It was after finding peace with the prospect that she might never become the grand slam champion ...

As much as any top player, Sinner has been able to expose De Minaur’s lack of first-strike weaponry. The Aussie’s strength is his scrambling and counterpunching, but Sinner serves too well, hits too hard, places the ball too precisely for his defense to be effective. De Minaur hasn’t found a way to hurt, rattle, of disrupt him.

Lorenzo Sonego will take on American Ben Shelton in the other men’s quarter-final on Jan 22. Read more at straitstimes.com.

Jannik Sinner cruised into the Australian Open semi-finals on Day 11, January 22, after defeating home favourite Alex de Minaur in straight sets at Rod Laver Arena. The Italian, who didn’t look well in his previous match against Holger Rune,

Swiatek will face No. 19 Madison Keys of the U.S. on Thursday ... Sinner was relentless against No. 8 Alex de Minaur, the last Australian male in the bracket, on Wednesday night, beating him ...