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 lashed out Saturday at what he believes is the lenient treatment of world tennis number one Italian Jannik Sinner for a failed drug test and said integrity in the sport was "awful".

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.

Nick Kyrgios didn't mince his words as he spoke out against Jannik Sinner and Iga Swiatek following their issues with banned substances.

Nick Kyrgios slammed the Jannik Sinner and Iga Swiatek doping cases as "disgusting" and "horrible" ahead of his ATP comeback. Anyone who has been regularly following tennis for the past couple of months, knows extremely well that the 2022 Wimbledon finalist has been very sharp in his criticism of the two high-profile doping cases.

If my physiotherapist contaminated me, and put me in this position, I would probably never talk to the guy again. He had the guy on his team for five months, acting like nothing happened,' Nick Kyrgios said about Jannik Sinner's doping case.

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

Nick Kyrgios has launched a savage attack on tennis stars Jannik Sinner and Iga Swiatek for breaches of the sport's anti-doping program, labelling their conduct as "disgusting for our sport".