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 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". Sinner twice tested positive for the banned steroid clostebol in March.

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 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.

World number one Sinner, meanwhile, tested positive for anabolic steroid clostebol twice in March and the Italian could also face suspension from the sport.

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 criticized doping allegations involving Jannik Sinner and Iga Swiatek, calling it damaging to tennis. Sinner and Swiatek faced ITIA charges but were not severely penalized. As Kyrgios prepares for the Brisbane International,

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.