Champion Roger Federer Final score 6–0, 7–6, 6–0 men women | Runner-up Lleyton Hewitt Singles men Doubles men | |
Andy Roddick was the defending champion, but lost in the quarterfinals against Joachim Johansson.
Roger Federer won the title, defeating 2001 champion Lleyton Hewitt, 6–0, 7–6(7–3), 6–0, in the final. This was Federer's first US Open title, and made him the tenth man to win three Grand Slams in a calendar year.
References
2004 US Open – Men's Singles Wikipedia(Text) CC BY-SA