| Singles | |
|---|---|
| 2003 Mercedes-Benz Cup | |
| Champion |  Wayne Ferreira |
| Runner-up |  Lleyton Hewitt |
| Score | 6–3, 4–6, 7–5 |
| Draw | 32 (4 Q / 3 WC ) |
| Seeds | 8 |
Andre Agassi was the defending champion but did not compete that year.
Wayne Ferreira won in the final 6–3, 4–6, 7–5 against Lleyton Hewitt.
Lleyton Hewitt (final)
Sébastien Grosjean (quarterfinals)
Sjeng Schalken (second round)
Gustavo Kuerten (quarterfinals) Mark Philippoussis (semifinals)
Marat Safin (first round) Wayne Ferreira (champion)
Vince Spadea (quarterfinals)| Semifinals | Final | ||||||||||||
| 1 | Lleyton Hewitt | 6 | 6 | ||||||||||
 Nicolas Kiefer | 2 | 4 | |||||||||||
| 1 | Lleyton Hewitt | 3 | 6 | 5 | |||||||||
| 7 | Wayne Ferreira | 6 | 4 | 7 | |||||||||
| 5 | Mark Philippoussis | 4 | 5 | ||||||||||
| 7 | Wayne Ferreira | 6 | 7 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | L Hewitt | 6 | 7 | ||||||||||||||||||||||||
| C Mamiit | 0 | 5 | 1 | L Hewitt | 6 | 6 | |||||||||||||||||||||
| WC | M Joyce | 77 | 2 | 77 | WC | M Joyce | 3 | 0 | |||||||||||||||||||
| J-M Gambill | 65 | 6 | 64 | 1 | L Hewitt | 63 | 6 | 6 | |||||||||||||||||||
 K Carlsen | 6 | 4 | 77 | K Carlsen | 77 | 4 | 3 | ||||||||||||||||||||
| WC | B Reynolds | 2 | 6 | 63 | K Carlsen | 6 | 6 | ||||||||||||||||||||
| WC |  P Amritraj | 5 | WC | P Amritraj | 4 | 2 | |||||||||||||||||||||
| 6 | M Safin | 3r | 1 | L Hewitt | 6 | 6 | |||||||||||||||||||||
| 3 | S Schalken | 6 | 6 | N Kiefer | 2 | 4 | |||||||||||||||||||||
| Q | D Golovanov | 4 | 4 | 3 | S Schalken | 4 | 4 | ||||||||||||||||||||
| N Kiefer | 6 | 6 | N Kiefer | 6 | 6 | ||||||||||||||||||||||
| N Thomann | 1 | 4 | N Kiefer | 1 | 7 | 6 | |||||||||||||||||||||
 J Vacek | 2 | 6 | 6 | 8 | V Spadea | 6 | 5 | 3 | |||||||||||||||||||
| K Kim | 6 | 1 | 4 | J Vacek | 5 | 6 | 2 | ||||||||||||||||||||
| J Gimelstob | 4 | 3 | 8 | V Spadea | 7 | 2 | 6 | ||||||||||||||||||||
| 8 | V Spadea | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | M Philippoussis | 6 | 6 | ||||||||||||||||||||||||
| A Kennedy | 3 | 2 | 5 | M Philippoussis | 6 | 6 | |||||||||||||||||||||
| Q | Z Fleishman | 1 | 1 | M Chang | 2 | 4 | |||||||||||||||||||||
| M Chang | 6 | 6 | 5 | M Philippoussis | 6 | 3 | 77 | ||||||||||||||||||||
 H-T Lee | 6 | 65 | 2 | 4 | G Kuerten | 3 | 6 | 65 | |||||||||||||||||||
| E Taino | 3 | 77 | 6 | E Taino | 3 | 65 | |||||||||||||||||||||
 F Niemeyer | 6 | 62 | 4 | 4 | G Kuerten | 6 | 77 | ||||||||||||||||||||
| 4 | G Kuerten | 3 | 77 | 6 | 5 | M Philippoussis | 4 | 5 | |||||||||||||||||||
| 7 | W Ferreira | 6 | 6 | 7 | W Ferreira | 6 | 7 | ||||||||||||||||||||
| Q | R Yim | 4 | 4 | 7 | W Ferreira | 77 | 6 | ||||||||||||||||||||
| A Bogomolov Jr. | 6 | 6 | A Bogomolov Jr. | 61 | 3 | ||||||||||||||||||||||
| R Mello | 3 | 2 | 7 | W Ferreira | 77 | 64 | 6 | ||||||||||||||||||||
| R Ginepri | 6 | 6 | 2 | S Grosjean | 64 | 77 | 2 | ||||||||||||||||||||
| Q | A Ilie | 1 | 1 | R Ginepri | 2 | 3 | |||||||||||||||||||||
 X Malisse | 6 | 5 | 3 | 2 | S Grosjean | 6 | 6 | ||||||||||||||||||||
| 2 | S Grosjean | 4 | 7 | 6 | |||||||||||||||||||||||
Roger Federer defeated Lleyton Hewitt in the final, 6–0, 7–6(7–3), 6–0 to win the men's singles tennis title at the 2004 US Open. It was his first US Open title and his fourth major title overall. With the win, he became the tenth man to win three majors in a calendar year.
Defending champion Andre Agassi defeated Arnaud Clément in the final, 6–4, 6–2, 6–2 to win the men's singles tennis title at the 2001 Australian Open.
Pete Sampras defeated Carlos Moyá in the final, 6–2, 6–3, 6–3 to win the men's singles tennis title at the 1997 Australian Open.
Andrei Pavel defeated Patrick Rafter in the final, 7–6(7–3), 2–6, 6–3 to win the men's singles tennis title at the 2001 Canadian Open.
Marat Safin defeated Harel Levy in the final, 6–2, 6–3 to win the men's singles tennis title at the 2000 Canadian Open. Levy became the first Israeli to reach a Master 1000 single final.
Lleyton Hewitt was the defending champion but did not compete that year.
Nicolás Lapentti was the defending champion, but lost in the third round to Sébastien Grosjean.
Paul Haarhuis and Jared Palmer were the defending champions, but chose not to participate that year.
Marat Safin defeated Mark Philippoussis in the final, 3–6, 7–6(9–7), 6–4, 3–6, 7–6(10–8) to win the singles tennis title at the 2000 Paris Masters. With the win, Safin became the world No. 1 for the first time.
Gustavo Kuerten defeated Patrick Rafter in the final, 6–1, 6–3 to win the singles tennis title at the 2001 Cincinnati Masters.
Tommy Haas defeated Max Mirnyi in the final, 6–2, 6–2, 6–2 to win the singles tennis title at the 2001 Eurocard Open.
Lleyton Hewitt was the defending champion and won in the final 7–6(7–3), 7–6(7–3) against Tim Henman.
Lleyton Hewitt was the defending champion and won in the final 4–6, 6–1, 6–4 against Tim Henman. This was the prelude to him winning the Wimbledon title the following fortnight.
Gustavo Kuerten was the defending champion but was forced to retire in the final losing 4–2 against Patrick Rafter.
Sjeng Schalken was the defending champion but lost in the quarterfinals to Michel Kratochvil.
Thomas Johansson was the defending champion but lost in the quarterfinals to Jarkko Nieminen.
The 2002 Siebel Open was a men's international tennis tournament that took place from February 25 to March 3, 2002. Greg Rusedski was the defending champion but lost in the second round to Todd Martin.
Lleyton Hewitt and Max Mirnyi defeated Ellis Ferreira and Rick Leach in the final, 6–4, 5–7, 7–6 to win the men's doubles tennis title at the 2000 US Open. It was their maiden major title.
Jonas Björkman and Byron Black were the defending champions, but Black did not compete this year. Björkman teamed up with David Prinosil and lost in semifinals to tournament winners Jiří Novák and David Rikl.
Andre Agassi was the defending champion, but was defeated in the final to Pete Sampras with a score of 7–6(7–3), 7–6(7–1). By reaching the final, Sampras completed his 271st week at the world No. 1 ranking in his career, surpassing the previous record of 270 weeks established by Ivan Lendl.