Novak Djokovic returns to the scene of his greatest triumphs this week at the Australian Open, adamant he is ready and able to see off the challenge from Jannik Sinner and Carlos Alcaraz in his pursuit of a record 25th Grand Slam crown.

As Andy Murray joins Novak Djokovic as his coach for the Australian Open, BBC Sport takes a look at the defining moments of their great rivalry.

Novak Djokovic is targeting an 11th Australian Open title and record 25th Grand Slam crown but faces an uphill battle against Jannik Sinner and Carlos Alcaraz. - Carlos Alcaraz - Still just 21, the Spaniard already owns four Grand Slam titles -- including the French Open and Wimbledon last year -- since bursting on the scene with victory at the US Open in 2022.

Nick Kyrgios has opened up on his latest injury, with the tennis star still hopeful of playing at the Australian Open later this month. The 29-year-old was set to partner with Novak Djokovic at Melbourne Park following their crowd-pleasing performance at the Pat Rafter Arena last week,

Nick Kyrgios’ planned return to Grand Slam tennis at the Australian Open is in doubt after he sustained an abdominal injury and was forced to withdraw from an exhibition with Novak Djokovic this week.