Sinner tested positive twice for an anabolic steroid during the 2024 Indian Wells Tournament. He tested positive for a substance called Clostebol, which is notably banned in tennis, and he was first popped for the steroid during Indian Wells, and then again eight days later in an out-of-competition sample.

The Italian world No.1 failed two drug tests in 2024, which eventually saw him suspended at all tennis competitions from February 9, 2025 to May 4, 2025 following a settlement with the World Anti-Doping Agency (WADA).

Jannik Sinner enters Wimbledon as world No. 1 and one of the favourites for glory. But it has been a turbulent period for the Italian tennis star

Jannik Sinner, 23, is an Italian professional tennis player and faces Carlos Alcaraz in the Wimbledon final on Sunday - here's all you need to know about the pro off the court

Italian tennis star Jannik Sinner discusses his personal life and girlfriend rumors before facing Carloz Alcaraz in the 2025 Wimbledon final.

Alcaraz and Sinner's second major final entrenches them as world No. 1 and world No. 2. It wasn't this way more recently than people think.