Murray, who retired in August, jokingly blames Djokovic as the main reason he never captured an Australian Open title.

It will be all business when Andy Murray coaches Novak Djokovic at the Australian Open. While the partnership between two of the biggest rivals in recent men’s tennis history has awakened feelings of shock,

Andy Murray has joined forces with Novak Djokovic in a coaching capacity for the Australian Open and vowed to 'sabotage' his former rival's title bid

"Provided he’s giving his best effort and trying as hard as he can, I’m absolutely fine with him expressing himself." Read more at straitstimes.com.

Novak Djokovic's former rival-turned-coach Andy Murray does not want the Serbian to suppress his emotions on court and is even willing to be the target of any angry outbursts as long as the 24-times major winner gives his all at the Australian Open.

Sir Andy Murray has revealed that his shock invitation to work with Novak Djokovic arrived when he was on the golf course – just as he was telling his playing partner that “I can’t imagine anything worse” than coaching.

Andy Murray jokes he's 'here to sabotage' Novak Djokovic after the Serbian star was 'single-handedly responsible' for him never claiming an Australian Open title