John Millman has claimed Jannik Sinner will be hiding any potential sickness or injury he could be facing ahead of his clash with Alex de Minaur after rumours swirled around Melbourne Park the Italian was battling illness.

Alex de Minaur is through to the quarterfinals of the Australian Open for the first time, defeating American giant-killer Alex Michelsen.

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.

Jannik Sinner hopes to join Novak Djokovic and Alexander Zverev in the semi-finals of the Australian Open when he faces off against home favourite Alex De Minaur at the Rod Laver Arena this morning. Sinner has had a relatively easy time of things so far and avoided a potential stumbling block with a four-set victory over Holger Rune in the fourth round.

Jannik Sinner faces Alex de Minaur at the 2025 Australian Open. Our Australian Open odds series has our Sinner-de Minaur prediction, odds and pick. Find out how to watch Sinner de Minaur. Jannik Sinner is still alive at this Australian Open,

MELBOURNE–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.

Watch the match highlights between Jannik Sinner & Alex de Minaur in Quarterfinals of the 2025 Australian Open Men's Singles Tournament Tennis.