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 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.

Pressure is said to be a privilege, and this has never been lost on Alex de Minaur, but the world number eight has become accustomed to bearing the weight of expectation.

The stage is set for an entertaining day of quarterfinal action at the Australian Open with four intriguing matches on the slate at Melbourne Park. As always, we here at LWOT will be offering our predictions for every match – including all the action in the women’s singles draw – but who will secure their spot in the last four?

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

He’s shown what an incredible tennis player he is, and he’s ranked (in) top 10 in the world, and has been there for a whole year, which is not an easy thing to do. I’ve learnt so many different ways of becoming a better tennis player.

Australian star Alex de Minaur forms one half of a tennis power couple with his partner Katie Boulter. The duo have both enjoyed a rise up the rankings in 2024 and will look for more success this season.