Grand Slam champion Novak Djokovic has announced Andy Murray as his new head coach in a shocking development. The Serbian star has been without a head coach since parting ways with Goran Ivanisevic.

One of Novak Djokovic's closest friends does not expect Andy Murray to cause any problems as part of the Serb's coaching team at the Australian Open. Last week, it was confirmed that Murray had agreed to coach Djokovic during the off-season in a surprise development.

Eurosport tennis expert Alex Corretja has backed Andy Murray to succeed as Novak Djokovic’s new trainer. Djokovic recently made the surprise announcement that Murray, who only retired this year, would be teaming up with him as trainer. The 37-year-old has fallen down the world rankings of late, and is currently world No. 8 in men’s tennis.

Andy Murray and Novak Djokovic’s magnificent seven grand slam finals - Djokovic won five to Murray’s two but was the opponent for the Scot’s crowning achievement at Wimbledon in 2013.

By Charlie Eccleshare, Callum Davis and Matthew Futterman Novak Djokovic has appointed his former rival and three-time Grand Slam champion Andy Murray as his new coach. Murray, 37, called time on his illustrious 19-year career after the Paris Olympics in August but is returning to tennis to help the 24-time Grand Slam winner’s preparations for the Australian Open,

Andy Murray is going to team up with former rival Novak Djokovic as his coach for the Australian Open; Murray retired from tennis after the Paris Olympics in the summer; Djokovic will be looking for a

"It’s time for one of my toughest opponents to step into my corner. Welcome on board, Coach — Andy Murray,” Djokovic said

Recently retired Andy Murray will team up with Novak Djokovic, working with him as a coach through the Australian Open in January.

Andy Murray turned down other top male and female stars before agreeing to coach Novak Djokovic, Andy Roddick has claimed. And the former US Open champion reckoned the working relationship between the “big tennis nerds” will work because it will not be an “overwhelming commitment” for the Scot.

A message from 1959 French Open champion Christine Truman popped into my inbox as I cooked the bacon on Sunday morning. “Do you think Andy will opt for some GB youngsters after Djokovic for coaching?”