Jannik Sinner launched his Australian Open title defence with a 7-6(2) 7-6(5) 6-1 win over Nicolas Jarry on Monday in a match that put the players' contrasting doping cases in the spotlight. World number one Sinner,

The men's world No. 1 could face a two-year ban. Here's what to know about the doping proceedings against him so far

Top-ranked tennis player Jannik Sinner will go to sport’s highest court in April for the World Anti-Doping Agency’s appeal that seeks to ban him from the sport for at least one year.

Italian Jannik Sinner's doping case will be heard at the Court of Arbitration for Sport from 16-17 April 2025.

Iga Swiatek, a self-described “control freak,” is taking new precautions — including holding on to extra samples of medicine she takes, in case they need to be tested at some point — after a doping case she describes as probably the worst time in her life.

The topic of doping cases involving tennis players Jannik Sinner and Iga Swiatek remains a talking point as the 2025 Grand Slam season opens at the Australian Open.

Jannik Sinner, the world's top-ranked tennis player, will go to sport's highest court in April for the World Anti-Doping Agency's appeal that seeks to ban him from the sport for at least one year.