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 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,

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,

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.

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.

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.

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

MELBOURNE, Australia (AP) — Nick Kyrgios' return to the Australian Open is over after he and Thanasi Kokkinakis stopped ... 2022 Wimbledon runner-up to Novak Djokovic, played a total of one ...

Carlos Alcaraz has delighted his fans at the Australian Open by showing off his ripped physique during his victory on Sunday - but not everybody is happy about the crowd's response.

British number one Jack Draper ran out of steam at the Australian Open as he retired injured against Spanish third seed Carlos Alcaraz in the fourth round .