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.

Alex de Minaur will be aiming to make the Australian Open quarter-finals for the first time when he takes on American talent Alex Michelsen at Rod Laver Arena on Monday night. The Australian eighth seed has reached the fourth round on four occasions but has never made it through to the last eight at Melbourne Park.

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.

Rumours, scuttlebutt, hogwash and a bit of wishful thinking were swirling through the corridors of Melbourne Park.

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.

Follow live text and radio commentary as Alex de Minaur plays Alex Michelsen in the Australian Open fourth round.

Alex de Minaur, the world No. 8, and Nick Kyrgios, who is back after a two-year battle with knee and wrist injuries, are the headliners for their country at Melbourne Park. Kyrgios emceed the night session on John Cain Arena Monday, before De Minaur headlines Rod Laver Arena, the pantheon of Australian tennis Tuesday night.

Alex de Minaur has become the first Australian man since 2015 to reach the Open quarter-finals with a straight-sets win over rising American Alex Michelsen.

There are three American men aged 23 and under in the second week of a Grand Slam. That hasn't happened since 2003