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).

The world No.1 has been scathingly criticised before his men's singles final at Wimbledon against Carlos Alcaraz.

Jannik Sinner is the top seed at Wimbledon and one of the favourites to win the tournament, but he was previously suspended from the sport after failing two drug tests

Jannik Sinner defeated Carlos Alcaraz in the Wimbledon final Sunday in four sets, 4-6, 6-4, 6-4, 6-4. It marked a reversal of their epic French Open last month when Alcaraz rebounded from two sets down to capture the title at Roland Garros in a nearly five-hour match.

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

Wimbledon winner Jannik Sinner admits he’s surprised by his impressive level of tennis so quickly after a return from a three-month doping ban. Sinner defeated Carlos Alcaraz 4-6 6-4 6-4 6-4 in the Wimbledon final on Sunday to land his first trophy in SW19 and fourth overall Grand Slam title.

Jannik Sinner is the quiet man of tennis ... who had used a spray containing it to treat a cut. The World Anti-Doping Agency said "Sinner did not intend to cheat" but that he would serve his suspension as he is responsible for the actions of his entourage.