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

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.

Iga Swiatek booked her second Australian Open semi-final with another spectacular display on Wednesday while Americans reached the last four of the men's and women's singles at Melbourne Park for the first time in 16 years.

The World No. 1, despite feeling unwell in sweltering conditions, kept up his title defense with a four-set triumph.

Swiatek’s latest lopsided win came via a 6-1, 6-2 scoreline in the quarterfinals against No. 8 seed Emma Navarro on Wednesday.

Jannik Sinner has played down an illness which left him “dizzy” and seeking treatment as his Australian Open title defence came under significant threat on Monday.

The screw holding the net in place at the Australian Open’s main stadium has been jarred loose during defending champion Jannik Sinner’s fourth-round victory over Holger Rune.

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,

Jannik Sinner has revealed that he felt unwell ahead of his win over Holger Rune at the Australian Open, and is relieved to be through to the quarter-finals.