Alexander Zverev has qualified for the final of the Australian Open, following Novak Djokovic's withdrawal. After a hard-fought first set lasting 1h22, the Serb withdrew, suffering from a torn muscle.

Darren Cahill, co-coach of current world No. 1 Jannik Sinner, was a guest on entrepreneur Brad Sugars' podcast last year, where he discussed Roger Federer's work ethic. Invited to follow the Swiss's ...