| Men's singles | |
|---|---|
| 2002 Kremlin Cup | |
| Champion |  Paul-Henri Mathieu |
| Runner-up |  Sjeng Schalken |
| Score | 4–6, 6–2, 6–0 |
| Draw | 32 (4 Q / 3 WC ) |
| Seeds | 8 |
Yevgeny Kafelnikov was the five time defending champion but lost in the semifinals to Sjeng Schalken.
Paul-Henri Mathieu won in the final 4–6, 6–2, 6–0 against Schalken.
Marat Safin (semifinals) Yevgeny Kafelnikov (semifinals)
Albert Costa (first round)
Jiří Novák (second round)
Roger Federer (quarterfinals)
Thomas Johansson (first round) Sjeng Schalken (final)
David Nalbandian (first round)| Semifinals | Final | ||||||||||||
| 1 | Marat Safin | 63 | 3 | ||||||||||
| Q | Paul-Henri Mathieu | 77 | 6 | ||||||||||
| Q | Paul-Henri Mathieu | 4 | 6 | 6 | |||||||||
| 7 | Sjeng Schalken | 6 | 2 | 0 | |||||||||
| 7 | Sjeng Schalken | 6 | 6 | ||||||||||
| 2 | Yevgeny Kafelnikov | 2 | 4 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Safin | 6 | 77 | ||||||||||||||||||||||||
 F Meligeni | 4 | 64 | 1 | M Safin | 77 | 4 | 7 | ||||||||||||||||||||
| A Sá | 3 | 7 | 6 | A Sá | 63 | 6 | 5 | ||||||||||||||||||||
| M Kratochvil | 6 | 5 | 4 | 1 | M Safin | 7 | 6 | ||||||||||||||||||||
 J Nieminen | 77 | 3 | 77 | 5 | R Federer | 5 | 4 | ||||||||||||||||||||
 M Ríos | 65 | 6 | 64 | J Nieminen | 1 | 4 | |||||||||||||||||||||
| WC | D Golovanov | 0 | 1 | 5 | R Federer | 6 | 6 | ||||||||||||||||||||
| 5 | R Federer | 6 | 6 | 1 | M Safin | 63 | 4 | ||||||||||||||||||||
| 4 | J Novák | 6 | 3 | 6 | Q | P-H Mathieu | 77 | 6 | |||||||||||||||||||
| M Youzhny | 4 | 6 | 3 | 4 | J Novák | 6 | 3 | 4 | |||||||||||||||||||
| Q | P-H Mathieu | 64 | 7 | 6 | Q | P-H Mathieu | 4 | 6 | 6 | ||||||||||||||||||
| T Robredo | 77 | 5 | 2 | Q | P-H Mathieu | 4 | 6 | 6 | |||||||||||||||||||
| J Björkman | 4 | 7 | 6 |  R Schüttler | 6 | 2 | 3 | ||||||||||||||||||||
 M Mirnyi | 6 | 5 | 2 | J Björkman | 1 | 3 | |||||||||||||||||||||
| R Schüttler | 78 | 6 | R Schüttler | 6 | 6 | ||||||||||||||||||||||
| 8 | D Nalbandian | 66 | 4 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | S Schalken | 3 | 6 | 6 | |||||||||||||||||||||||
| Q | M Rosset | 6 | 3 | 4 | 7 | S Schalken | 7 | 6 | |||||||||||||||||||
| F Vicente | 68 | 4 |  W Ferreira | 5 | 0 | ||||||||||||||||||||||
| W Ferreira | 710 | 6 | 7 | S Schalken | 6 | 64 | 6 | ||||||||||||||||||||
 Y El Aynaoui | 4 | 3 | N Escudé | 4 | 77 | 3 | |||||||||||||||||||||
 I Ljubičić | 6 | 6 | I Ljubičić | 65 | 4 | ||||||||||||||||||||||
| N Escudé | 7 | 3 | 6 | N Escudé | 77 | 6 | |||||||||||||||||||||
| 3 | A Costa | 5 | 6 | 1 | 7 | S Schalken | 6 | 6 | |||||||||||||||||||
| 6 | T Johansson | 65 | 62 | 2 | Y Kafelnikov | 2 | 4 | ||||||||||||||||||||
| SE | B Ulihrach | 77 | 77 | SE | B Ulihrach | 3 | 2 | ||||||||||||||||||||
 D Sanguinetti | 4 | 1 | Q | C Saulnier | 6 | 6 | |||||||||||||||||||||
| Q | C Saulnier | 6 | 6 | Q | C Saulnier | 3 | 5 | ||||||||||||||||||||
| WC | A Stoliarov | 1 | 4 | 2 | Y Kafelnikov | 6 | 7 | ||||||||||||||||||||
| Q | N Kiefer | 6 | 6 | Q | N Kiefer | 4 | 2 | ||||||||||||||||||||
| WC | V Voltchkov | 6 | 3 | 64 | 2 | Y Kafelnikov | 6 | 6 | |||||||||||||||||||
| 2 | Y Kafelnikov | 4 | 6 | 77 | |||||||||||||||||||||||
Andy Roddick defeated Juan Carlos Ferrero in the final, 6–3, 7–6(7–2), 6–3 to win the men's singles tennis title at the 2003 US Open. It was his first and only major title. Roddick remains the most recent American to win any major men's singles title. Roddick saved a match point en route to the title, in the semifinals against David Nalbandian. He also completed the "Summer Slam," having won Masters titles in Canada and Cincinnati leading up to the US Open.
Boris Becker was the defending champion but did not compete that year.
Marc Rosset was the defending champion at the Milan Indoor tennis tournament but lost in the second round to Greg Rusedski.
Younes El Aynaoui was the defending champion but did not compete that year.
Two-time defending champion Andre Agassi defeated Carlos Moyá in the final, 6–3, 6–3 to win the men's singles tennis title at the 2003 Miami Open.
Marat Safin was the defending champion and won in the final 6–2, 6–2 against Yevgeny Kafelnikov.
Davide Sanguinetti was the defending champion but lost in the quarterfinals to Martin Verkerk.
Fabrice Santoro was the defending champion but lost in the second round to Sjeng Schalken.
David Nalbandian was the defending champion but did not compete that year.
Greg Rusedski was the defending champion but lost in the second round to Scott Draper.
Paul-Henri Mathieu was the defending champion but lost in the semifinals to Taylor Dent.
Yevgeny Kafelnikov and Andrei Olhovskiy were the defending champions but only Kafelnikov competed that year with Paul Haarhuis.
Jacco Eltingh and Paul Haarhuis were the defending champions but only Haarhuis competed that year with Sjeng Schalken.
Tomás Carbonell and Francisco Roig were the defending champions but lost in the final 6–2, 5–7, 6–4 against Libor Pimek and Byron Talbot.
Yevgeny Kafelnikov was the defending champion and won in the final 6–2, 7–5 against David Prinosil.
Marc Rosset was the defending champion but lost in the first round 6–1, 3–6, 3–6 against Andrei Stoliarov.
Thomas Enqvist was the defending champion, but lost in the first round this year.
Wayne Black and Kevin Ullyett were the defending champions, but lost in the quarterfinals to Mahesh Bhupati and Max Mirnyi.
Mahesh Bhupathi and Leander Paes were the defending champions, but did not participate together. Paes played with Tomáš Cibulec but they lost in the semifinals to Mark Knowles and Daniel Nestor. Bhupathi partnered with Max Mirnyi but they lost in semifinals to Paul Haarhuis and Yevgeny Kafelnikov.
The 2001 US Open was held between August 27 – September 9, 2001. It was the final Grand Slam event of 2001.