del Potro won the US Open 2009 Final

20 years old Juan Martin del Potro from Argentina won the US Open 2009 Men’s Single Title by defeating 5 times defending champion, World’s No. 1 Roger Federer. The sixth seeded del Potro won his first Grand Slam title by upsetting the Federer in a five set match 3-6, 7-6 (5), 4-6, 7-6 (4), 6-2 at Arthur Ashe Stadium in Flushing Meadows. The 4-hour, 6-minute match was the first U.S. Open final to go five sets since 1999, and there were no early signs to indicate it would be this competitive