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.

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,

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 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.

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 his most stinging attack yet on tennis chiefs, after suggesting the fall-out from Jannik Sinner and Iga Swiatek’s failed drug tests was handled ‘horrifically’. World No 1 Sinner escaped a ban despite producing a positive test result last March,