Novak Djokovic charged into the Australian Open quarter-finals and booked a mouth-watering encounter with Carlos Alcaraz before the Serb shifted the focus by snubbing the Grand Slam's official broadcaster and slamming them for mocking him and his fans.

Alcaraz faces a mouthwatering quarter-final clash with Novak Djokovic, who refused to do his regular on-court interview after winning. He later explained he was protesting after a TV presenter working with the host broadcaster made "offensive" comments.

MELBOURNE, Australia — One of them has operated with ruthless efficiency, the other has brought the drama. But Carlos Alcaraz and Novak Djokovic have performed the opposite roles en route to their hotly anticipated Australian Open quarterfinal, which will be played Tuesday January 21 in Melbourne.