Jannik Sinner will launch his Australian Open title defence under a stubborn doping cloud but the whiff of scandal may do little to halt the Italian juggernaut. Sinner remains the man to beat at Melbourne Park even as doping officials seek a two-year ban for the world number one for failing two drugs tests last March.

Andy Murray is ready to deal with Novak Djokovic’s outbursts when he feels the need to vent, as the former World No. 1 commented. Murray will debut in his new role as coach and will experience what it's like to be on the other side,

It will be all business when Andy Murray coaches Novak Djokovic at the Australian Open. While the partnership between two of the biggest rivals in recent men’s tennis history has awakened feelings of shock,