Nick Kyrgios says the high-profile doping cases involving Grand Slam winners Jannik Sinner and Iga Swiatek are "disgusting" for tennis.

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 doping cases involving leading tennis stars Jannik Sinner and Iga Swiatek are a horrible look for the sport.

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.

Novak Djokovic today called for more transparency around doping suspensions in tennis, saying high-ranked players appeared to be treated differently

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

Kyrgios’ comments come as the tennis world grapples with controversies surrounding two former world number ones. Italian Jannik Sinner, the reigning men’s world number one, tested positive for clostebol,

As Jannik Sinner and Iga Swiatek prepare for the new season after a year in which they fell foul of doping rules, positive drug tests due to contamination are a genuine fear for many of their fellow professionals.