It's the biggest match of Alex de Minaur's career - an Australian Open quarter-final against reigning champion and world No.

Australian Open latest score and updates from blockbuster quarter-final - Sinner looks to book his place in the semi-finals ...

The fourth quarter-final between them on Jan 22 will decided the final top four and the opponent of Ben Shelton in semis.

World No 1 Jannik Sinner takes on home favourite Alex de Minaur for a spot in the semi-finals of the Australian Open after ...