No one really doubted whether Jannik Sinner would be able to play to his full potential after his comeback. Sinner The post Jim Courier Gives His Verdict on Jannik Sinner’s Level in Rome After Comeback From Doping Ban appeared first on FirstSportz.

As Jannik Sinner prepares to return from his doping ban, there are still major questions to be answered about the process that led to such different outcomes for the world number one and Australia's Max Purcell.

Jannik Sinner is officially back! The Italian played his first match since the Australian Open final in front of the home fans at the Rome Masters and extended his winning streak. Sinner faced Mariano Navone in the second round and secured a 6-3,