Roger Federer of Switzerland hits a forehand to Juan Martin Del Potro of Argentina in the second set of their mens final match in Arthur Ashe Stadium at the US Open Tennis
For Federer at U.S. Open, Flicker or Flame Out? - The New York Times
Don't f*****g tell me the rules" When Roger Federer lost his cool in the 2009 US Open finals and accused the chair umpire of bias toward Juan Martin del Potro
US Open 2009: Incredible Roger Federer Tweener vs Novak Djokovic - YouTube
US Open 2009 Men's Final | Tennis News | Sky Sports
US Open 2009 Singles Finals - Singapore Tennis Lessons
WATCH: When Roger Federer Stunned the Likes of Novak Djokovic, Andy Murray, and Others With His On-Court 'Mastery' - EssentiallySports
Roger Federer of Switzerland hits the ball through his legs while playing Novak Djokovic of Serbia during their semi-finals match at the U.S. Open tennis tournament in New York September 13, 2009.
Novak Djokovic recalls Roger Federer's 2009 US Open tweener
US OPEN 2009: Roger Federer makes history again and Juan Martin Del Potro is walking tall but neither is talk of the town in New York | Daily Mail Online
US Open 2009: Roger Federer in last eight after easing past Tommy Robredo
Federer cruises past Britton in U.S. Open -- china.org.cn
Tennis Server ATP/WTA Pro Tennis Showcase - 2009 US Open - Del Potro Ends Federer's Five-Year Run - Wins His First U. S. Open
Roger Federer - Tweener - US Open 2009 [HD] - YouTube
2009 US Open Press Conferences: Roger Federer (Finals) - YouTube
September 14, 2009: del Potro stuns Federer in five-set US Open final
Del Potro Will Face Federer in U.S. Open Final - The New York Times