Novak Djokovic v Tomas Machac score before Jack Draper v Aleksandar Vukic - Jacob Fearnley is out after a straight-sets defeat to Alexander Zverev before Jack Draper takes on Australian favourite Alek

Aleksandar Vukic is through to the third round of the Australian Open after coming from behind to defeat American Sebastian Korda in five sets.

British number one Jack Draper wins epic match against Aleksandar Vukic to reach fourth round of Australian Open.

Novak Djokovic stepped up a level in his Australian Open third round match against Tomas Machac, brushing the Czech aside 6-1, 6-4, 6-4 with a vintage performance to reach the second week at Melbourne Park for the 17th time...

The British No 1 faces a stiff task as Alcaraz looks to continue his chase for a career grand slam before Djokovic is in action later

Follow live text and radio commentary featuring Novak Djokovic against Jiri Lehecka in the Australian Open fourth round.

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.

Novak Djokovic, meanwhile ... fourth round for the first time But Draper plays another Australian in Aleksandar Vukic, after surviving a five-set thriller against Thanasi Kokkinakis.

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.

Novak Djokovic will resume his bid for a record 25th Grand Slam title when the fourth round of the Australian Open begins on Sunday at Melbourne Park, where defending women's champion Aryna Sabalenka takes on Russian teenager Mirra Andreeva.