The Serbian became the first man in the professional era to win five Australian Open titles, but was forced to respond to post-match questions surrounding his alleged play-acting skills.
(Video) Novak Djokovic beats Andy Murray in 2015 Australian Open final to secure fifth crown
Twitter explodes due to Andy Murray Novak Djokovic Australian Open epic
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Djokovic lost his footing on numerous occasions mid-way through the sapping encounter, and at 2-0 down in the third set, the 27-year-old looked down and out.
However he roared back into the contest and never looked back, defeating Andy Murray in four sets.
Djokovic defended his on-court theatrics, saying he went through a physical “crisis” at the beginning of the third set.
“I think everybody predicted, it was going to be a big battle,” Djokovic is quoted as saying by AAP.
“Very similar match to the Australian Open final in 2013 when we played over two hours (for) the first two sets.
“Tonight two-and-a-half hours (for) the first two sets. Very physical. Very exhausting.
“We both, of course, went through some tough moments physically. You could see that I had a crisis at the end of the second (and) beginning of the third.
“I just felt very exhausted and I needed some time to regroup and recharge and get back on track. That’s what I’ve done.”
Djokovic retains his status at world number one after his gripping win, while Murray moves up two spots to number four on the ATP rankings after finishing runner-up for the fourth time at the Australian Open.