Earlier in the day, Iga Swiatek cruised past Emma Navarro 6-1, 6-2 in their Women’s Singles quarter-final while Madison Keys secured a surprising 3-6, 6-3, 6-4 victory over Elina Svitolina to set up a meeting with Swiatek tomorrow.

In the Australian Open quarterfinals on Tuesday, Jannik Sinner faces Alex de Minaur.In his most recent match on Sunday, Sinner took down Holger Vitus Nodskov Rune in four sets, 6-3, 3-6, 6-3, 6-2,

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.

The Australian Open quarter-finals continue on Wednesday and top seed Jannik Sinner's task of defending his crown is not getting any easier. The Italian is recovering from an illness and will face Australia's last hope Alex De Minaur,

Alex de Minaur will play one of the most important matches of his career as he meets Jannik Sinner in the Australian Open quarter-final. The world No. 8 has never made it this far at his home Grand Slam tournament. And he's hoping to go even further to keep Australia's hopes alive in the men's singles draw.

After telling fans on the weekend his "legs are back", Alex de Minaur proved it on his way to the Australian Open quarterfinals.

Alex De Minaur kept the home flag flying at the Australian Open as he beat rising American Alex Michelsen 6-0 7-6(5) 6-3 to reach the quarter-finals for the first time on Monday.

It was the opening round of the 2017 Australian Open in de Minaur’s first main draw at his first major championship in his home country, when the then-17-year-old saved a match point in the fourth set before beating Gerald Melzer in five sets and almost four hours.

It's the biggest match of Alex de Minaur's career - an Australian Open quarter-final against reigning champion and world no.1 Jannik Sinner. De Minaur has never been to the last four in a major and he will have to overcome an 0-9 head-to-head record with the Italian champion.

Novak Djokovic's former strategist Craig O'Shannessy believes Alex de Minaur has his best chance yet to topple defending Australian Open champion Jannik Sinner.