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.

Earlier in the day, Iga Swiatek cruised past Emma Navarro 6-1, 6-2 in their Women’s Singles quarter-final while Madison Keys secured a surprising 3-6, 6-3, 6-4 victory over Elina Svitolina to set up a meeting with Swiatek tomorrow.

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.

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.

World No. 1 Jannik Sinner showcased his dominance by defeating Alex de Minaur 6-3, 6-2, 6-1 in the Australian Open quarterfinals on Wednesday. Sinner'

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 said a humbling defeat by Jannik Sinner in the quarter-finals of the Australian Open on Wednesday felt like a slap across the face after a period of improvement in which he emerged as his nation's best hope of ending a major drought.

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.