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.

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.

Defending champion Jannik Sinner dismissed eighth seed Alex de Minaur 6-3 6-2 6-1 to reach the Australian Open semi-finals and extend the country's decades-long wait for another homegrown singles winner at the Grand Slam on Wednesday.

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.

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,

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.

Question marks are lingering over Jannik Sinner and Alex de Minaur's Australian Open quarter final as rumours continue to swirl over the Italian's health.

World No. 1 Jannik Sinner cruised to a 6-3, 6-2, 6-1 quarterfinal triumph against home favourite Alex de Minaur to keep alive his hopes of lifting back-to-back titles at the hard-court major

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.

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.