Novak Djokovic and Andy Murray have known each other for a quarter of a century. They played from the age of 12, meeting 36 times as professionals, including 10 Grand Slam matches.

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,

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.

Andy Murray insists that he will be only too happy to face the wrath of Novak Djokovic, should he find himself on the receiving end of a few mouthy outbursts at next week’s Australian Open.

Novak Djokovic enlisted a former foe and longtime friend, Andy Murray, to become his new coach starting this year at the Australian Open.This news rocked the tennis world back in November, mostly because the two legends were often considered rivals on the court.

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