Watch: Novak Djokovic confronts heckler at Australian Open
Novak Djokovic said an angry altercation with a fan may have helped get him over the line during a testing second-round encounter at the Australian Open against home favourite Alexei Popyrin on Wednesday.
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Novak Djokovic said an angry altercation with a fan may have helped get him over the line during a testing second-round encounter at the Australian Open against home favourite Alexei Popyrin on Wednesday. 
