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 the star of the show at the upcoming Rome Open as the world number one and Italian tennis hero gears up for his return to the courts after a contested doping ban.Such is the interest in Sinner,