The 2004 US Open was held between August 30, 2004 – September 12, 2004.
|2004 US Open|
|Date||August 30 - September 12|
|Category||Grand Slam (ITF)|
|Location||New York City, USA|
|Venue||USTA Billie Jean King National Tennis Center|
|Mark Knowles / Daniel Nestor|
|Virginia Ruano Pascual / Paola Suárez|
|Bob Bryan / Vera Zvonareva|
|Brendan Evans / Scott Oudsema|
|Marina Erakovic / Michaëlla Krajicek|
Both Andy Roddick and Justine Henin-Hardenne were unsuccessful in their title defences, Roddick losing in the quarter-finals to Joachim Johansson and Henin-Hardenne falling in the fourth round to Nadia Petrova. On the men's side, Roger Federer won his first US Open, defeating rival and 2001 champion Lleyton Hewitt in a lopsided final. Svetlana Kuznetsova won the women's title defeating Elena Dementieva in the final.
- • It was Federer's 4th career Grand Slam singles title and his 1st title at the US Open. It was Federer's 9th title of the year, and his 20th overall.
- • It was Kuznetsova's 1st career Grand Slam singles title.
- • It was Knowles' 2nd career Grand Slam doubles title and his 1st title at the US Open.
- • It was Nestor's 2nd career Grand Slam doubles title and his 1st title at the US Open.
- • It was Ruano Pascual's 7th career Grand Slam doubles title and her 3rd and last title at the US Open.
- • It was Suárez' 7th career Grand Slam doubles title and her 3rd and last title at the US Open.
- • It was Zvonareva's 1st career Grand Slam mixed doubles title.
- • It was Bryan's 2nd career Grand Slam mixed doubles title and his 2nd (consecutive) title at the US Open.
- Federer became the first Swiss player to win the US Open men's singles title.
- Andy Murray reached the men's singles final in 2008, and won the men's singles title in 2012.