Novak Djokovic organised Adria Tour, an exhibition tennis tournament, was cancelled after Grigor Dimitrov was found coronavirus positive. To make things worse, Djokovic, his coach Goran Ivanisevic, Borna Coric and Viktor Troicki also tested positive. Pictures and videos went viral in which players were seen violating social distancing norms. Nick Kyrgios slammed Djokovic and others for playing tennis amid the pandemic. Interestingly, Alexander Zverev, who also played at the Adria Tour, vowed to self-isolate despite testing negative. However, video footage soon emerged, which showed the German tennis player partying. The sequence of events irked Kyrgios as he hit out at players. Kyrgios was later involved in Twitter spat with Boris Becker.