Timeline: Sinner, the men’s No 1-ranked player, twice tested positive for the banned substance clostebol but successfully argued he had been inadvertently contaminated by his physiotherapist

Born in Northern Italy to a German mother and Italian father in 2001, Sinner rapidly became one of Italy’s brightest sporting prospects. As a child, he was one of his country’s best young skiers winning a national championship in giant slalom at age seven in 2008.

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.

Alcaraz tie paused after fans require medical attention, plus Djokovic vs Sinner injury latest - Seven-time champion Djokovic is due to play world No 1 Sinner, and reigning champ Carlos Alcaraz faces

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

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.

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

Marco and Ulises had joined the Italian ace's team in September 2024 – immediately after the US Open – because Jannik had been forced to remove Umberto Ferrara and Giacomo Naldi from their respective roles due to their responsibility in the controversial doping case that had seen Sinner as a protagonist.