Nick Kyrgios is very much not Jannik Sinner's biggest fan after the World No.1 tested positive for the banned substance Clostebol with the narrative being in the mind of the Australian that he was ...

The second was an out-of-competition test on March 18. Clostebol is an anabolic steroid. It is best known for its role in East Germany’s state-sponsored doping programs of the 1970s and 1980s.

Jannik Sinner enjoyed another historic accomplishment on Sunday in Melbourne. Sinner defeated Alexander Zverev in straight ...

Jannik Sinner said being clear in his mind that he was innocent of doping helped him play the sort of tennis that won him another Grand Slam on Sunday.

Rennae Stubbs questioned the World Anti-Doping Agency (WADA) for their interference in Jannik Sinner‘s doping case. As WADA ...

The hearing for the CAS arbitration on the Clostebol case involving Jannik Sinner has been set for April 16 and 17. The Court of Arbitration for Sport itself announced this, specifying that the ...

Last March, the top-ranked men’s player, Jannik Sinner, tested positive for clostebol, a banned anabolic agent, twice. The substance was quickly traced to a product that was used to treat a cut ...

Sinner was cleared of any wrongdoing by an independent panel after testing positive for banned substance clostebol in April. The World Anti-Doping Agency (Wada) appealed against the decision and ...

The medication was purchased by Sinner's fitness coach, Umberto Ferrara, in Italy where treatments containing clostebol are readily available over the counter. Sinner claimed Naldi used the ...