Novak Djokovic declined a post-match TV interview after winning in the fourth round of the Australian Open after an on-air personality from the local Australian broadcaster of the tournament made negative comments about him in front of Serbian fans.

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

MELBOURNE, Australia -- It's time for the eighth installment of the riveting, intergenerational rivalry between Novak Djokovic and Carlos Alcaraz. This one, though, will be the first at the Australian Open — and the first in the quarterfinals of a tournament; each of the others came in either a semifinal or final.