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Jannik Sinner separates from team members after doping case before US Open

No. 1 tennis player Jannik Sinner has made some changes to his team following a doping saga that began when he tested positive twice for a banned anabolic steroid in March.

Sinner confirmed in his first press conference on Friday that he had parted ways with his fitness coach Umberto Ferrara and his physiotherapist Giacomo Naldi since the International Tennis Integrity Agency (ITA) announced on Tuesday that Sinner bore “no fault or negligence” for the two positive doping tests. The ITA said scientific experts considered Sinner's claim that clostebol entered his body “due to contamination by a member of the support team” to be credible.

Despite his success with Ferrara and Naldi over the past two seasons, including his first major win at the Australian Open earlier this year, Sinner said he was looking for a fresh start in light of the ITA decision.