, I 've not lost a set so far , so we 'll see how it goes . '' Four - time Australian Open winner Roger Federer reaches last 16 . Top seed Rafael Nadal goes through with victory over Gael Monfils in Melbourne . Wimbledon champ Andy Murray sees off Feliciano Lopez to join them in fourth round . Maria Sanchez , Sloane Stephens and Victoria go through in men 's draw .
Four - time Australian Open winner Roger Federer reaches last 16 . Top seed Rafael Nadal goes through with victory over Gael Monfils in Melbourne . Wimbledon champ Andy Murray sees off Feliciano Lopez to join them in fourth round . Maria Sanchez , Sloane Stephens and Victoria go through in men 's draw .