On the eve of his return to the court, Novak Djokovic has weighed in on tennis's high-profile doping cases and criticized what he perceives as double standards in the sport. The former world No. 1, who is chasing a record 25th Grand Slam title at next month's Australian Open,

Novak Djokovic and Nick Kyrgios have spoken openly about the lack of transparency around the positive tests provided by world No.1s Jannik Sinner and Iga Swiatek

Novak Djokovic says Nick Kyrgios has 'spoken well' about Jannik Sinner 's doping case after the Aussie labelled the scandal 'disgusting' for tennis.

The sandwich generation, up-and-coming prospects and one very important court that has nothing to do with tennis

Novak Djokovic told reporters in Australia that he "is not questioning whether Jannik Sinner took the banned substance intentionally or not" but noted that he is "really frustrated" with the fact that no one knew anything about the Italian and Iga Swiatek until the investigation in their doping cases concluded.