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.

Alex de Minaur's Australian Open fourth-round opponent Alex Michelsen has a hip injury he received a medical timeout for in his previous match.

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.

Watch the match highlights between Francisco Cerundolo & Alex de Minaur in Round 3 of the 2025 Australian Open.

Alex de Minaur is bidding to equal a career-best result at the Australian Open in his third round match versus Francisco Cerundolo at Rod Laver Arena on Saturday. The eighth-seeded Aussie will reach the fourth round at Melbourne Park for the fourth time if he can get past the Argentine 31st seed.