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.

Defending champion and No. 1 seed Jannik Sinner easily dispatches host country's last hope; Ben Shelton takes on-court interviewers to task.

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,

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.

Ben Shelton's Australian Open quarterfinal foe, Lorenzo Sonego, produced the shot of the tournament — diving to his left for a volley with so much spin that the ball bounced on one side of the net, then floated back over to the other — but it was the American who ended up with the victory Wednesday.

Sporting venues develop a certain mood. As though the emotions of the attendees start bouncing off the walls. The buzz around Melbourne Park is palpable and pulsating when Alex de Minaur steps onto Rod Laver Arena for his Australian Open quarter-final against Jannik Sinner.

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.

Top seed and defending champion Jannik Sinner crushes the hopes of home favourite Alex de Minaur to set up an Australian Open semi-final date with American Ben Shelton; watch all the action from the ATP and WTA Tours on Sky Sports Tennis and Sky Sports+,

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 will play one of the most important matches of his career as he meets Jannik Sinner in the Australian Open quarter-final. The world No. 8 has never made it this far at his home Grand Slam tournament. And he's hoping to go even further to keep Australia's hopes alive in the men's singles draw.