Iga Świątek dealt a straight-sets blow to Emma Navarro to reach the semifinals at the Australian Open, setting up a clash with 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.

Meanwhile an all-Aussie mixed doubles final is locked in, with two wildcard teams to face off after Olivia Gadecki and John Peers beat the Kiwi No.2 seeds, before Kim Birrell and John-Patrick Smith defeated two Brits in straight sets.

Former Wimbledon champion Elena Rybakina joined Swiatek in the last 16 with a 6-3 6-4 win over Dayana Yastremska, but only after receiving treatment on her back, while eighth seed Emma Navarro and ninth seed Daria Kasatkina also advanced.

Day 5 of the Australian Open was a good day for the higher seeds in the men's and women's draws, with big names advancing to the third round. Men's No. 1 seed Jannik Sinner stumbled early against Australian Tristan Schoolkate by dropping the opening set 4-6.

Australian Open has been intense, with the men's and women's singles tournaments heating up. Here's what to know about the current bracket.

The quarter finals have well and truly arrived at the Australian Open with four singles matches set to light up Melbourne Park on Wednesday. Madison Keys will kick off proceedings at Rod Laver Arena as one of three Americans to star on the day when she takes on Elina Svitolina.

Alex de Minaur is facing off with top seed and defending champion Jannik Sinner for a spot in the Australian Open semifinals against American Ben Shelton. Follow live.

Follow Mail Sport's live blog for the latest score, and game-by-game updates as Eva Lys and Iga Swiatek square off beofre Alex de Minaur takes on American star Alex Michelsen.

The potential championship matchups should bring a lot of intrigue to the first Grand Slam tournament of the year

One of the most anticipated matchups of every major Grand Slam tournament took place on Tuesday when Novak Djokovic and Carlos Alcaraz faced off in another chapter of their rivalry. Djokovic was able to take down Alcaraz 4-6,

Aryna Sabalenka and Jannik Sinner continue to impress, while a band of young talent announces themselves Down Under.