Alcaraz - on the other hand - has already packed his bags and left for Spain on Wednesday. His next tournament will be the Rotterdam ATP 500, which will take place from 3 to 9 February. Unlike previous years, the Spanish ace has opted for a different schedule by skipping the tournaments on red clay in South America.

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.