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.

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,

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.

Alex de Minaur will be aiming to make the Australian Open quarter-finals for the first time when he takes on American talent Alex Michelsen at Rod Laver Arena on Monday night. The Australian eighth seed has reached the fourth round on four occasions but has never made it through to the last eight at Melbourne Park.

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