Hyeon Chung has gone from longshot to Oz Open top contender.
Team contributions have been key to Roger Federer's singles success.
Former No. 1 sees big things for AO conqueror.
No. 2 seed's skillful improv shot.
The German gets some sage advice from the maestro.
Six-time AO champion on why youth will make major breakthrough.
Father of four insists his kids do one activity his parents passed on to him.
