Felling no issues, Sinner dominated world no. 8 Alex de Minaur in the quarter-final, earning a 6-3, 6-2, 6-1 victory and remaining on the title course. Speaking about Jannik's problems, Vagnozzi cited headache and stomach issues.

Jannik Sinner had a notable gesture when he welcomed Darren Cahill's father at his final training session before the Australian Open semifinals in a classy move featured in a new Daily Dose of Social Media.

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.

Sinner's remarkable on-court ability to block out any distraction from his mission has been on full display as he seeks to defend his Melbourne title.

Jannik Sinner spoke about the ‘best rivalry at the moment’ between Carlos Alcaraz and Novak Djokovic. The World No. 1 secured another impressive victory in the Australian Open quarterfinals against Alex de Minaur,

Shelton is the 25th American man in the Open Era man to reach the semis in Melbourne. He’s bidding to become the second straight American man to reach a Slam final after Taylor Fritz lost to Sinner in the U.S. Open final, and the first since Andy Roddick at the 2003 U.S. Open to win a major.

Defending champion Jannik Sinner has moved into the quarterfinals at the Australian Open after beating Holger Rune during a match slowed down by medical timeouts for each player and a delay because the net got knocked loose.

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,

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.

The young American will try to reach his first Major final, in Melbourne, and has clear ideas on how to beat the Italian in the semifinals

Ben Shelton has never been to a Grand Slam final, but he'll have to beat the No. 1 tennis player in the world to get there.