He has beaten Murray in all three of the matches they 've played at the Australian Open .
Djokovic outlasts Wawrinka in Melbourne -- Djokovic meets Andy Murray in Sunday 's final .
Djokovic has beaten Andy Murray in all three of the matches they 've played at the Australian Open .
Djokovic outlasts Wawrinka in Melbourne -- Djokovic meets Andy Murray in Sunday 's final .