Andy Murray has affirmed the gruelling nature of his brief coaching career ahead of his client’s debut at the Australian Open. The Scotsman was announced as Novak Djokovic’s primary coach at the end of November,

If Novak Djokovic can win a 25th major title in the coming days, he will bolster his claim to be considered the greatest athlete in history, according to his new coach Andy Murray.

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,