Stan Wawrinka's ex-coach Daniel Vallverdu believes Jannik Sinner doesn't deserve to be harshly treated for his role in ...

Jannik Sinner is away from tennis right now after accepting a three-month ban from the WADA, avoiding another trial where he might have faced up to a year-long suspension.

Sinner asked: "Why would we do that if the first independent tribunal found it was no ban at all, why would I accept three ...