Naomi Osaka, a two-time champion in Australia, stopped playing because of a strained abdominal muscle after dropping the first set of her match against Tokyo Olympics gold medalist Belinda Bencic.

Elsewhere, in the men's draw, American 12th seed Tommy Paul will take on Spain's Alejandro Davidovich Fokina, while German second seed Alexander Zverev faces French 14th seed Ugo Humbert. The winners of these matches will advance to the semi-finals.

Coco Gauff moved into the fourth round at Melbourne Park with a straightforward victory over Leylah Fernandez.

Novak Djokovic and Carlos Alcaraz can set up a blockbuster quarter-final when the Australian Open enters the fourth round on Sunday

While there have been plenty of surprises in the men’s bracket so far, most of the top women have progressed through the draw without an issue.

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;

Novak Djokovic surged into an Australian Open quarter-final clash against Carlos Alcaraz with a dominant straight-sets victory on Sunday while women's world number one Aryna Sabalenka was a ruthless winner.

Irrepressible 10-time champion Novak Djokovic set up a blockbuster Australian Open quarter-final Sunday with Carlos Alcaraz after downing Czech Jiri Lehecka.