Nick Kyrgios continued his tiff with Novak Djokovic by mocking his famous celebration before his second-round doubles match at the Australian Open. The unprecedented 2021 edition of the Australian Open runs from February 8 until February 21 and Eurosport has all the best action from Melbourne. Watch the first Grand Slam of the new season live on Eurosport, eurosport.co.uk and the Eurosport app.