The back and forth between the pair is becoming more and more personal.
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Nick Kyrgios' perfect response to Novak Djokovic slur
'Bad as it gets': Nick Kyrgios hits back at Djokovic slur
Novak Djokovic takes brutal swipe at Nick Kyrgios
World No.1 Novak Djokovic has taken a huge swipe at Aussie Nick Kyrgios as he prepares to defend his Australian Open crown.
Nick Kyrgios in wild mid-match girlfriend spray
Fans expecting fireworks from Nick Kyrgios in his opening Australian Open match didn't have to wait long for the home-grown favourite to deliver.