Novak Djokovic criticized the handling of tennis doping cases, expressing frustration over a lack of transparency in Jannik Sinner's situation. Sinner faces a possible ban after testing positive for a banned substance.

Just days away from his return to tennis at the Brisbane International, Nick Kyrgios hasn’t minced his words in referring to doping-related charges against Jannik Sinner and Iga Swiatek.

Novak Djokovic has spoken out about World No.1 Jannik Sinner’s ongoing doping case, backing doubles partner Nick Kyrgios and labelling the situation as ‘frustrating’. Djokovic and Kyrgios are both currently in Brisbane for the Australian Open warm-up event, where they will be playing singles and doubles together for the first time.

Nick Kyrgios has said the doping charges against Jannik Sinner and Iga Swiatek are “disgusting for our sport” as he prepares to make his long-awaited return to tennis.

Nick Kyrgios said the recent doping incidents involving Jannik Sinner and Iga Swiatek were "disgusting" for the sport, as the Australian slammed authorities on Saturday over what he saw as lenient treatment in their cases.

Japanese former grand slam finalist set to being Bank of China Hong Kong Open campaign against Denis Shapovalov on Tuesday.