Top-ranked tennis player Jannik Sinner tested positive twice for a banned anabolic steroid in March and was stripped of prize money and points earned at a tournament in Indian Wells, California, but will not be suspended because an independent tribunal said it was not intentional.
The International Tennis Integrity Agency announced the case on Tuesday.
Sinner won the Cincinnati Open on Monday and will be among the favourites at the US Open, which starts in New York next week.
Sinner made his debut at No. 1 in the ATP rankings in June and is considered among the top stars of the new generation in men's tennis, along with Carlos Alcaraz.
Sinner, an Italian who turned 23 on Friday, won the Australian Open in January for his first Grand Slam title.
He reached the semi-finals at the French Open in June and the quarter-finals at Wimbledon in July, before sitting out the Paris Olympics, saying he had tonsilitis.
During the Indian Wells hard-court event in March, Sinner tested positive f
