To make matters worse, de Minaur has also struggled to beat higher-seeded players throughout his Australian Open career; the Aussie is 15-0 all-time against players ranked lower than him, but just 1-8 against those above him, the lone win coming against then-world no. 87 Gerald Melzer in 2017, his debut at his home Grand Slam.

Alex de Minaur has progressed to the last eight of the Australian Open for the first time after a comfortable win over Alex Michelsen on Monday night. The Aussie eighth seed made a phenomenal start, winning the first eight games in the hugely impressive 6-0, 7-6 (7-5), 6-3 win over the plucky American.

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.

Watch the match highlights between Alex Michelsen & Alex de Minaur in Round 4 of the 2025 Australian Open Men's Singles Tournament Tennis.

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.

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.