Despite six straight losses, US Open champ says change is coming.
Two 36-year-olds, gunning for a spot in the main draw, shared a major emo moment on Friday in New York.
World No. 1 on key energy source.
Two factors prompted German to hire Ivan Lendl instead of Boris Becker as coach.
Second-ranked Swiss takes draw in stride.
A first-round casualty last year, world No. 1 optimistic for Open.
World No. 123 heading in right direction says Hall of Famer.
