Jannik Sinner continued his quest for consecutive Australian Open titles with a clinical deconstruction of Alex De Minaur in the last of the men’s singles quarter-finals.

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,

It's the biggest match of Alex de Minaur's career – an Australian Open quarter-final against reigning champion and world No. 1 Jannik Sinner.De Minaur has never been to the last four in a major and will have to overcome a 0-9 head-to-head record against the Italian champion.

Jannik Sinner brushed off concerns about his health with a brutal destruction of home hope Alex De Minaur in the quarter-finals of the Australian Open.

A semi-final against American Ben Shelton – the lowest-ranked player left in the draw – looms for Sinner, who will avoid 10-time champion Novak Djokovic and second seed Alexander Zverev in the last four. That draw and this performance has brought him tantalisingly close to defending his Australian Open crown.

Alex de Minaur is facing off with top seed and defending champion Jannik Sinner for a spot in the Australian Open semifinals against American Ben Shelton. Follow live.

Defending champion Jannik Sinner dismissed No. 8 seed Alex de Minaur 6-3, 6-2, 6-1 to reach the Australian Open semifinals, where he will take on American Ben Shelton for a place in the final.

Local hope Alex de Minaur has suffered a thumping straight-sets Australian Open quarter-final loss to world No.1 and defending champion Jannik Sinner.