Jannik Sinner will go into his Australian Open defence knowing a court hearing in Switzerland in three months could condemn him to a potential two-year ban from the game for doping.

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.

Doping is a topic that shadowed tennis in 2024 and is sure to be a talking point as the 2025 Grand Slam season gets going at the Australian Open

Doping is a topic that shadowed tennis in 2024 and is sure to be a talking point as the 2025 Grand Slam season gets going 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.

Melbourne Park hosts the Australian Open amid recent doping controversies involving World No. 1 Jannik Sinner and Iga Swiatek. Both athletes tested positive for banned substances but claim no fault. While Nick Kyrgios and Novak Djokovic criticise the system,

Jannik Sinner insists that he has not done "anything wrong" after being asked about Nick Kyrgios' repeated criticism of him before the Australian Open.