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 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.

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,

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.

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.

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.

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+,

Jannik Sinner overcame illness to breeze past Alex de Minaur at the Australian Open to preserve his hopes of retaining his Melbourne crown.