Novak Djokovic has declined to do a customary post-match TV interview at the Australian Open to protest comments made on air by someone who works for the official broadcaster of the tournament in the host country,

Novak Djokovic and Carlos Alcaraz will square off again in a Grand Slam after both stars won their fourth-round matches Sunday at the Australian Open.

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.