A night that promised so much for Alex de Minaur ended with another trip back to the drawing board following a loss that will require some serious soul-searching.

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.

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.

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.

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,

Alex de Minaur noticed one very strong comment made about his performance versus Jannik Sinner and he wasn't interested in letting it slide. On Wednesday, the home favorite player exited the Australian Open in the quarterfinal after the No. 1 seed handed him a 6-3 6-2 6-1 loss. Now, the Italian leads their head-to-head 10-0.

Ben Shelton has reached his first Australian Open semifinal by defeating Lorenzo Sonego 6-4, 7-5, 4-6, 7-6 in an entertaining match.

Top seed and defending champion Jannik Sinner crushes the hopes of home favourite Alex de Minaur to set up an Australian Open semi-final date with American Ben Shelton; watch all the action from the ATP and WTA Tours on Sky Sports Tennis and Sky Sports+,

Jannik Sinner brushed off concerns about his health with a brutal destruction of home hope Alex de Minaur in the quarter-finals of the Australian Open.