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

The Davis Cup return of Nick Kyrgios is over before it started opening the door for Aleksandar Vukic to make his debut in this weekend’s tie against Sweden as reward for his breakout Australian Open performance.

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

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

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

Britain's Jack Draper is through to the last 16 of the Australian Open for the first time in his career after fighting back to beat Aleksandar Vukic.

Novak Djokovic called out a drunk Australian Open heckler following his 6-1 6-4 6-4 win over Tomas Machac in the third round on Friday. Djokovic cruised past the 26th-seed Czech star in straight sets to set up a fourth-round showdown with 24th-seed Jiri Lehecka at Melbourne Park.

The Australian Open continues as Novak Djokovic faces a stern test ... another hostile crowd when he takes on Australia’s Aleksandar Vukic after surviving a marathon test against Thanasi Kokkinakis.