Defending champion Jannik Sinner put any illness worries to bed by crushing home hope Alex de Minaur in a straight-sets rout to tee up an Australian Open semi-final against Ben Shelton.The Italian world number one showed no signs of the health issues that hampered him in his last match to emphatically fly past the eighth seed 6-3,

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.

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.