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.

On the cusp of snapping his Australian Open round of 16 hoodoo and reaching a fourth straight major quarter-final, the story behind the incremental improvements for Australia’s best player Alex de Minaur lie in the numbers.

It was the opening round of the 2017 Australian Open in de Minaur’s first main draw at his first major championship in his home country, when the then-17-year-old saved a match point in the fourth set before beating Gerald Melzer in five sets and almost four hours.

Jannik Sinner faces Alex de Minaur at the 2025 Australian Open. Our Australian Open odds series has our Sinner-de Minaur prediction, odds and pick. Find out how to watch Sinner de Minaur. Jannik Sinner is still alive at this Australian Open,

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.

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