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.

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.