Murray was not just talking tennis’s greatest of all time, because Djokovic’s ownership of that honour has long since been put to bed. He was backing Djokovic’s claim to be the pre-eminent performer across the whole of sport; nay, the whole of sporting history.

But Australian coach and strategist Craig O’Shannessy, who helped Djokovic claim four grand slam titles between 2017 and 2019, believes Murray’s appointment is proving a masterstroke.

The quarterfinals match between Novak Djokovic and Carlos Alcaraz at the Australian Open on Tuesday was one for the books. Djokovic ended up coming back from one set down to beat the young star 4-6, 6-4,

As Novak Djokovic produced a performance up there with the best of his wins over former rivals Roger Federer and Rafael Nadal, he turned to Sir Andy Murray in celebration.

Novak Djokovic talked about Andy Murray's influence after beating Carlos Alcaraz at the Australian Open, saying this was a "huge win" for their relationship.

Novak Djokovic says hugging coach Andy Murray after beating Carlos Alcaraz in the Australian Open last eight was a "gesture of appreciation".

Andy Murray was in the stands to watch Novak Djokovic beat Carlos Alcaraz in the Australian Open quarter-finals on Tuesday, where there was mutual respect aplenty

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.

Novak Djokovic advanced to the Australian Open semi-finals after beating Carlos Alcaraz in four sets, with coach Andy Murray watching on from the sidelines.