Alex de Minaur busted through his Australian Open fourth-round ceiling with a brutal display against Alex Michelsen. Now, a date with world No. 1 Jannik Sinner looms.

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 second day of Australian Open quarter-finals with blockbusters galore spread throughout including reigning champion Jannik Sinner and local hope Alex de Minaur. The Australian will have to overcome a horrible win-loss record against the world no.

Home favourite Alex De Minaur will face Jannik Sinner in the quarterfinals of the Australian Open after the world number eight beat world number 42 Alex Michelsen of the US 6-0 7-6 6-3 in the round of 16 Monday.

Jannik Sinner battled dizzy spells on Monday to reach an Australian Open quarter-final against Alex de Minaur, admitting a long interruption when he accidentally broke the net was "big, big luck". His win put him into a clash against home hope De Minaur,

Alex de Minaur ticked off yet another milestone in his illustrious career Monday, taking down American Alex Michelsen to qualify for the quarter-finals of the Australian Open for the very first time.