Earlier this week, Qatar Airways announced Novak Djokovic as its latest Global Brand Ambassador. Shortly after the announcement, Djokovic was spotted attending official events ahead of this weekend's Qatar Grand Prix.

Novak Djokovic has taken on Andy Murray as his coach for the Australian Open. It makes sense to put half of the original Big Four in men's tennis together again.

Novak Djokovic reveals reasons behind ‘perfect’ Andy Murray appointment - Murray will coach his long-time rival at the Australian Open in January after the pair announced a surprise alliance

Andy Murray has been announced as 24-time Grand Slam winner Novak Djokovic's new coach, but one of his adversaries isn't convinced.

Andy Murray has taken up a coaching role with Novak Djokovic following his retirement from playing, but doubts have been raised by a top coach over the Brit's worthiness

The American said the Scot said 'no' to offers from many tennis players - women and men - in order to work with the Serbian champion

Former tennis rivals Andy Murray and Novak Djokovic have entered an unexpected new era, as the two recently announced that Murray is set to coach Djokovic for the Australian Open.

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

He also reflected on the new partnership between Djokovic and Murray: “He can contribute on the emotional side, on the mental side and, above all, bring him a lot in the game. Although Andy has no coaching experience, he has complete knowledge of Novak, he has known him for more than 20 years and that is a big advantage.”