Wimbledon champion Jannik Sinner has reappointed former fitness coach Umberto Ferrara, who the men's world No.1 dropped after ...

John McEnroe was left shocked when Jannik Sinner tested positive for doping in 2024. Struggling to make sense of it, he ...

On the tennis court Jannik Sinner is easy on the eye – his liquid movements and effortless power make for compelling viewing. Off the court though, the optics are less appealing. After serving a three ...

Following his doping scandal in 2024, Sinner fired Giacomo Naldi and Umberto Ferrara, two fitness coaches who played a role ...