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

WADA accepted Sinner’s explanation that he was accidentally contaminated by a massage from his physiotherapist, who used a spray containing the banned substance to treat a finger cut. They ruled that Sinner ‘did not intend to cheat’ but insisted that he was responsible for his team’s negligence, which ultimately saw him punished.

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 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

Meanwhile, Swiatek was found to have been “at the lowest end of the range for no significant fault or negligence” after the 23-year-old Polish player explained that her doping violation was caused by a contaminated supply of the non-prescription medication melatonin, which she uses to help with jet lag and sleep issues.

Italian star Jannik Sinner revealed why he was able to prove his innocence in a doping case—resulting in fewer consequences than others who faced similar charges.