2004 US Open
Date	August 30 - September 12
Edition	124th
Category	Grand Slam (ITF)
Surface	Hardcourt
Location	New York City, U.S.
Venue	USTA Billie Jean King National Tennis Center
Champions
Men's singles
Roger Federer
Women's singles
Svetlana Kuznetsova
Men's doubles
Mark Knowles / Daniel Nestor
Women's doubles
Virginia Ruano Pascual / Paola Suárez
Mixed doubles
Bob Bryan / Vera Zvonareva
Boys' singles
Andy Murray
Girls' singles
Michaëlla Krajicek
Boys' doubles
Brendan Evans / Scott Oudsema
Girls' doubles
Marina Erakovic / Michaëlla Krajicek
← 2003 · US Open · 2005 →

The 2004 US Open was held between August 30, 2004 – September 12, 2004.

Both Andy Roddick and Justine Henin-Hardenne were unsuccessful in their title defenses, 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.

Seniors

Men's singles

Roger Federer^[1] defeated Lleyton Hewitt, 6–0, 7–6^(7–3), 6–0

• 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.

Women's singles

Svetlana Kuznetsova defeated Elena Dementieva, 6–3, 7–5

• It was Kuznetsova's 1st career Grand Slam singles title.

Men's doubles

Mark Knowles / Daniel Nestor defeated Leander Paes / David Rikl, 6–3, 6–3

• 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.

Women's doubles

Virginia Ruano Pascual / Paola Suárez defeated Svetlana Kuznetsova / Elena Likhovtseva, 6–4, 7–5

• 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.

Mixed doubles

Vera Zvonareva / Bob Bryan defeated Alicia Molik / Todd Woodbridge, 6–3, 6–4

• 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.

Juniors

Boys' singles

Andy Murray^[2] defeated Sergiy Stakhovsky, 6–4, 6–2

Girls' singles

Michaëlla Krajicek defeated Jessica Kirkland, 6–1, 6–1

Boys' doubles

Brendan Evans / Scott Oudsema defeated Andreas Beck / Sebastian Rieschick, 4–6, 6–1, 6–2

Girls' doubles

Marina Erakovic / Michaëlla Krajicek defeated Mădălina Gojnea / Monica Niculescu, 7–6^(7–4), 6–0

Withdrawals