A night that promised so much for Alex de Minaur ended with another trip back to the drawing board following a loss that will require some serious soul-searching.

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.

In the Australian Open quarterfinals on Tuesday, Jannik Sinner faces Alex de Minaur.In his most recent match on Sunday, Sinner took down Holger Vitus Nodskov Rune in four sets, 6-3, 3-6, 6-3, 6-2,