World number one Jannik Sinner said Friday he did not know when the highest court in sport will deliver its verdict as ATP chairman Andrea Gaudenzi stressed the Italian's doping case was "run by the book".

World number one Jannik Sinner's doping allegations will be addressed at a closed hearing at the Court of Arbitration for Sport (CAS) on 16-17

ATP chairman Andrea Gaudenzi has insisted Jannik Sinner's doping case was "run by the book" with no preferential treatment, and expressed confidence that tennis would survive should the Italian be banned.

Jannik Sinner has a date for the World Anti-Doping Authority (WADA) appeal into his doping case which could lead to him being banned from tennis for up to two years. The Court of Arbitration for Sport (CAS) has scheduled a behind-closed-doors hearing April 16 and 17 2025 at its headquarters in Lausanne,

The head of men's tennis is vehemently rejecting claims Jannik Sinner is receiving favourable treatment and is confident the sport will "survive" if the world number one ultimately cops a lengthy doping ban.

World number one Jannik Sinner said Friday he did not know when the highest court in sport will deliver its verdict as ATP chairman Andrea Gaudenzi stressed the Italian's doping case was "run by the book".

World number one Jannik Sinner's doping hearing will start on April 16, the Court of Arbitration for Sport (CAS) said on Friday. Italian Sinner failed two drug tests in March for low levels of the anabolic androgenic steroid clostebol but was cleared by an independent tribunal in August after it accepted his explanation of unintentional contamination.

World number one Jannik Sinner will have his hearing into allegations of doping at the Court of Arbitration for Sport on April 16-17, the Lausanne-based body said on Friday.The World Anti-Doping Agency appealed after the International Tennis Integrity Agency (ITIA) cleared Sinner after he tested positive twice for the banned steroid clostebol in March last year.