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.

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.