Former No. 1 says Davis Cup change necessary.
Six-time US Open champion will sport black, one-shoulder dress.
Former No. 4 has clear goal.
The Greek freak wants to put in the hard yards down the road.
The Spaniard doesn't live for practice, he lives for improvements.
The World No.1 wants to remain fit for the U.S. Open.
Montreal runner-up expresses disparate emotions after defeat.