Former eight-time Grand Slam champion in doubles Nenad Zimonjic underlines that Novak Djokovic is "a smart guy" and therefore knows extremely well why he added Andy Murray to his coaching staff for the Australian Open.

Former tennis player Mats Wilander has said Novak Djokovic's surprise decision to bring Andy Murray into his box for the Australian Open is an "excellent move".

Former two-time French Open finalist Alex Corretja admitted he was in "total shock" when the Novak Djokovic and Andy Murray collaboration news dropped but also backed the partnership to succeed.