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

Jakub Mensik hits arguably the best shot of the tournament, Thanasi Kokkinakis proves sportsmanship is alive and Alexander Zverev is not interested in a barber. Here's the five quick hits from day four of the Australian Open.

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.

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.

Six British players have reached the second round of the Australian Open for the first time as Fearnley and Draper look to go further

Both Kyrgios (strained abdominal muscle) and Kokkinakis (right shoulder trouble) came into the match dealing with physical issues.

Nick Kyrgios' return to the Australian Open is over after he and Thanasi Kokkinakis stopped playing while trailing in the second set of their first-round doubles on Thursday night. Kyrgios and Kokkinakis,

Draper takes on Australian favourite Aleksandar Vukic while Djokovic leads Tomas Machac despite taking a medical timeout

Novak Djokovic came ... to the Aussies' left side. Kokkinakis responds with an unplayable shot of his own, thumping down a 192km/h ace into the far corner. Thanasi Kokkinakis and Jack Draper ...

Naomi Osaka was happy after gaining 'revenge' over Karolina Muchova to reach the third round of the Australian Open. She lost to her Czech rival in straight sets at the US Open but came back from a set down in Melbourne to win 1-6 6-1 6-3.