In a masterful display of tennis, Novak Djokovic turned back the clock to defeat Carlos Alcaraz in an electrifying four-set battle at the Australian Open, setting up a tantalising semi-final clash with Alexander Zverev.

An imperious Aryna Sabalenka stayed on course for a historic third consecutive Australian Open crown on Sunday, while Novak Djokovic and Carlos Alcaraz can later set up a blockbuster quarter-final. The prize for the winner is a meeting with either Carlos Alcaraz or Britain's Jack Draper for a place in the semi-finals.

Aryna Sabalenka and Coco Gauff can set up a blockbuster women's semi-final with last-eight victories. Read more at straitstimes.com.

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.

All eyes are on the thrilling quarterfinal clash between Tommy Paul and Alexander Zverev at the Australian Open in Melbourne. Earlier in the day, Paula Badosa delivered an impressive performance to defeat Coco Gauff in straight sets,

A vintage Novak Djokovic tamed Carlos Alcaraz in a late-night blockbuster to set up an Australian Open semifinal with Alexander Zverev as two-time women’s defending champion Aryna Sabalenka fought on.

A vintage Novak Djokovic tamed Carlos Alcaraz in a late-night blockbuster to set up an Australian Open semi-final with Alexander Zverev as two-time women's defending champion Aryna Sabalenka fought on.

How Novak Djokovic got inside Carlos Alcaraz's head by overcoming an injury during their Australian Open quarterfinals match.

Novak Djokovic on Tuesday won a generational clash against Carlos Alcaraz at the Australian Open that he said was worthy of the final to close in on a record 25th Grand Slam title with Alexander Zverev next up in the last four.