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.

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.

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.

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,

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.

The Australian Open quarter-finals are heating up as Jannik Sinner, battling illness, faces Australia's Alex De Minaur. Meanwhile, Iga Swiatek enters her match free of doping appeals. Experienced players Madison Keys and Elina Svitolina also showcase their adaptability in women's top matches.

Jannik Sinner cruised through to round four, while Danielle Collins lost to countrywoman Madison Keys in front of a vocal Melbourne crowd. Follow all the action

Defending champion Jannik Sinner defeats Alex de Minaur 6-3 6-2 6-1 Ben Shelton ... three games on way to last four Swiatek will play Madison Keys, who came from behind to beat Elina Svitolina ...

Lleyton Hewitt has been forced to make changes to his Davis Cup squad for this weekend's clash with Sweden, with Nick Kyrgios and Jordan Thompson reportedly ruled out. And Thanasi Kokkinakis is in extreme doubt,

Perhaps they remember her from Junior Orange Bowl tournaments at Salvadore Park and Biltmore Tennis Center in Coral Gables, or from the Crandon Park Tennis Center in Key Biscayne, where 5-foot-10 Keys dazzled spectators with her 114 mph serve as a 14-year-old in the Orange Bowl Under-18s division.