Nick Kyrgios appreciated very much Novak Djokovic siding with him and highlighting that some of the Australian's comments about the Jannik Sinner doping case make sense. The 29-year-old's criticism of the handling of the Italian's case is well-documented and there is no need to say much about that.

Nick Kyrgios’s simmering frustration with Jannik Sinner, ignited by the recent doping saga, continues to intensify. Since Sinner’s positive test for Clostebol in August, Kyrgios has been a vocal critic.

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.