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 has reached the Australian Open quarter-finals for the first time, setting up an epic last-eight match with world no.1 and reigning champion Jannik Sinner.The Aussie eighth seed blitzed American talent Alex Michelsen early on,

Alex de Minaur and Katie Boulter were seen cheering each other on during the Australian Open. Find out more here.

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.

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 is yet to record a win over Jannik Sinner, but he has received a hint on how he can compete with the world number one in their Australian Open quarterfinal on Wednesday.

Sporting venues develop a certain mood. As though the emotions of the attendees start bouncing off the walls. The buzz around Melbourne Park is palpable and pulsating when Alex de Minaur steps onto Rod Laver Arena for his Australian Open quarter-final against Jannik Sinner.

Alex de Minaur gave a cute nod to his fiance, Katie Boulter, after reaching his first Australian Open quarter-final. The world No. 8 downed rising star Alex Michelsen 6-0 7-6 (5) 6-3 on Monday to break new ground at his home Grand Slam tournament.

Alex de Minaur has booked a blockbuster quarter-final with world No.1 and defending champion Jannik Sinner after reaching the last eight of Australian Open for the first time.

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

Jannik Sinner continued his quest for consecutive Australian Open titles with a clinical deconstruction of Alex De Minaur in the last of the men’s singles quarter-finals.