A leading tennis expert had pinpointed the benefits that Novak Djokovic was enjoying with Andy Murray as his coach before his shock retirement from the Australian Open on Friday. Djokovic called it quits after dropping the first set against Alexander Zverev,

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.

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,