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.

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,

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.

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+,

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 has marched into the semi-finals of the Australian Open after comprehensively defeating Alex de Minaur in straight sets.In arguably the biggest match of de Minaur's career, the local hope wasn't even given a sniff against the world No.

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

Jannik Sinner was in a cheeky mood after thrashing Alex de Minaur and reaching the Australian Open semi-final, though he was forced to apologise to Jim Courier