US Open Championship in New York

Novak Djokovic of Serbia, third seed, returns the ball to Switzerland's Roger Federer, second seed, during the semi-final match at the U.S. Open tennis championship at the U.S. National Tennis Center on September 6, 2008 in Flushing Meadows, New York. Federer won 6-3, 5-7, 7-5,6-2. (UPI Photo/Monika Graff)