Aleksandar Vukic goes down in a thrilling grand slam match, while fan behaviour dominates on day six of the Australian Open.

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.

The Sydneysider is holding out hope of a Davis Cup call-up for Australia’s injury-ravaged squad after a heartbreaking end to his career-best Australian Open.

Live text and radio commentary on day six of the Australian Open featuring British number one Jack Draper after Novak Djokovic wins.

Draper takes on Australian favourite Aleksandar Vukic after Novak Djokovic defeated Tomas Machac despite taking a medical timeout

Novak Djokovic said he “loved” Danielle Collins’ reaction to a hostile home crowd at the Australian Open, adding that he was now a “big fan” of the American. After beating home favourite Destanee Aiava on a raucous Kia Arena,

Novak Djokovic has been one of many players who have been heckled at the Australian Open - and the 10-time champion praised Danielle Collins' response to the rowdy crowd

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...

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.