Novak Djokovic is caught in another controversy as viral video of star getting passed a mysterious labelled bottle sees him suspected of breaking Australian Open rules.<br /><br />Video has emerged of former No.1 receiving mystery drink at the Aussie Open.<br /><br />The Serbian star was previously scrutinized for mystery drink at Paris Masters.<br /><br />Djokovic is getting by on 'pills and hot cream' ahead of clash with Alex de Minaur.<br /><br />Serbian tennis champion Novak Djokovic's brave run to the Australian Open finals with an injured leg has been tempered by fresh accusations he could have broken tournament rules.<br /><br />Footage has emerged of the Serb star receiving the mystery drink during his come-from-behind victory over French player Enzo Couacaud in round two of the Aussie Open.<br /><br />Novak Djokovic is passed a bottle during Australian Open match.<br /><br />Novak Djokovic parades his Australian Open trophy.<br /><br />Australian Open winner Novak Djokovic apologies for umpire out.<br /><br />It came during a match where he surrendered the second set and needed a medical timeout for his troublesome hamstring before going on to victory.<br /><br />His team are seen putting a label on the water bottle before giving it to a tournament official to hand to Djokovic on court.
