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 defeated Lleyton Hewitt, 6–0, 7–6<sup>(7–3)</sup>, 6–0

:<small>• 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.</small>

Women's singles

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

:<small>• It was Kuznetsova's 1st career Grand Slam singles title.</small>

Men's doubles

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

:<small>• It was Knowles' 2nd career Grand Slam doubles title and his 1st title at the US Open.</small>

:<small>• It was Nestor's 2nd career Grand Slam doubles title and his 1st title at the US Open.</small>

Women's doubles

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

:<small>• It was Ruano Pascual's 7th career Grand Slam doubles title and her 3rd and last title at the US Open.</small>

:<small>• It was Suárez' 7th career Grand Slam doubles title and her 3rd and last title at the US Open.</small>

Mixed doubles

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

:<small>• It was Zvonareva's 1st career Grand Slam mixed doubles title.</small>

:<small>• It was Bryan's 2nd career Grand Slam mixed doubles title and his 2nd (consecutive) title at the US Open.</small>

Juniors

Boys' singles

Andy Murray 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<sup>(7–4)</sup>, 6–0

Withdrawals

;Men's Singles

  • James Blake → replaced by Kristof Vliegen
  • Julien Boutter → replaced by Gilles Elseneer
  • Agustín Calleri → replaced by Kristian Pless
  • Guillermo Coria → replaced by Arnaud Di Pasquale
  • Scott Draper → replaced by Juan Mónaco
  • Nicolas Escudé → replaced by Janko Tipsarević
  • Sjeng Schalken → replaced by Daniel Elsner
  • Martin Verkerk → replaced by Thierry Ascione

;Women's Singles

  • Kim Clijsters → replaced by Cara Black
  • Lina Krasnoroutskaya → replaced by Nuria Llagostera Vives
  • Sandrine Testud → replaced by Camille Pin

References

  • Official US Open website