Jannik Sinner leaves Melbourne being talked about as a potential tennis great but first comes a hearing into his doping case at sport's highest court that could see him banned for up to two years.

Jannik Sinner expects it to take some time before he can replicate his dominance on hard courts at Wimbledon.The world number ...

And just as Djokovic had a couple of hurdles by the names of Roger Federer and Rafael Nadal to deal with, Sinner is not alone ...