LONDON - Wimbledon champion Jannik Sinner has re-appointed his former fitness coach Umberto Ferrara with immediate effect, ...

Jannik Sinner continues to make headlines on the ATP Tour for a whole host of reasons. Earlier this month, Sinner won his ...

LONDON, - Wimbledon champion Jannik Sinner has re-appointed his former fitness coach Umberto Ferrara with immediate effect, the Italian world number one confirmed on Wednesday. Sinner parted ways with ...