some of the contents got into Sinner's system Jannik Sinner has parted company with fitness coach Umberto Ferrara and physio Giacomo Naldi. According to Sinner, Ferrara and Naldi accidentally ...

Everything that Jannik Sinner means to the summit of men's tennis could be temporarily wiped away in just a few months.

The explanation provided by Sinner was that a month before travelling to Indian Wells, fitness coach Umberto Ferrara bought an over-the-counter spray containing clostebol in Italy. Then during the ...

Jannik Sinner is fully focused on his run at the 2025 Australian Open, where he reached the third round by losing a set after ...

Sinner stated that his fitness coach, Umberto Ferrara, had brought an over-the-counter healing spray containing clostebol to Indian Wells (under the brand name Trofodermin, the spray is available ...

Naldi joined Sinner’s team in February 2023. Additionally, Umberto Ferrara is the fitness coach of Jannik Sinner. Ferrara has been in charge of keeping Sinner in the best physical condition ...

The medication was purchased by Sinner's fitness coach, Umberto Ferrara, in Italy where treatments containing clostebol are readily available over the counter. Sinner claimed Naldi used the ...

Jannik Sinner has reached the final of the Australian Open and will seek to defend his title against Alexander Zverev on Sunday - all while the case investigating his two failed doping tests ...

Jannik Sinner and Iga Swiatek each tested positive for a banned substance. Here's where each doping case stands. ...

Since failing two drugs tests, Jannik Sinner has won two more Grand Slam titles Jannik Sinner has successfully defended his Australian Open title, but the case investigating his two failed doping ...