Reigning U.S. Open men's tennis champion Roger Federer was upset in Monday's final match by Juan Martin del Potro of Argentina. It was a big night for Argentina tonight at the U.S. Open and a stunning ...

NEW YORK -- Always so cool, so consistent, so in control of his emotions and his matches, Roger Federer amazingly let the U.S. Open championship slip from his grasp. Two points from victory against ...

NEW YORK (Reuters) - Roger Federer faces big-hitting Juan Martin del Potro at Arthur Ashe Stadium on Wednesday in a rematch of the 2009 U.S. Open final, which the Argentine won to claim his only grand ...

The editors of TENNIS.com preview all eight Australian Open quarterfinals. What Federer needs to do to win: When these two met in the 2009 U.S. Open final, del Potro was able to use his height and ...

The Argentine giant, who won his only Grand Slam title in the city in 2009 by beating Federer in the final after seeing off Nadal in the semis. p pulse Follow Juan Martin del Potro sensationally ...