| Roger Federer (1) - Jonas Bjorkman | 7-6 6-3 |
| Albert Costa - Alex Corretja | 7-6 6-1 |
| Luis Horna - Mikhail Youzhny | 6-0 4-6 7-6 |
| Martin Verkerk (14) - Todd Martin | 7-5 3-6 6-3 |
| Jiri Novak (12) - James Blake | 2-6 6-3 6-1 |
| Max Mirnyi - Stefan Koubek | 6-2 6-4 |
| David Ferrer - Davide Sanguinetti | 6-3 2-6 6-3 |
| Sebastien Grosjean (7) - Feliciano Lopez | 7-5 6-2 |
| Vincent Spadea - Rainer Schuettler (3) | 6-2 2-6 7-5 |
| Hicham Arazi - Hidalgo Ruben Ramirez | 6-1 6-3 |
| Nikolay Davydenko - Sargis Sargsian | 6-2 6-2 |
| Fernando Gonzalez (13) - Dominik Hrbaty | 6-4 6-4 |
| Sjeng Schalken (11) - Wayne Arthurs | 6-3 4-6 6-1 |
| Filippo Volandri - Nicolas Kiefer | 6-4 0-6 6-0 |
| Flavio Saretta - Mario Ancic | 6-4 3-6 7-6 |
| David Nalbandian (5) - Robin Soderling | 6-4 6-4 |
| Nicolas Massu (8) - M Dell'Acqua | 6-7 7-5 6-3 |
| Irakl Labadze - Gaston Gaudio | 6-3 6-2 |
| Marat Safin - Stefano Pescosolido | 6-4 6-3 |
| Paradorn Srichaphan (10) - Alessio Di Mauro | 7-6 3-6 6-3 |
| Mariano Zabaleta - Juan Ignacio Chela (16) | 6-4 6-2 |
| Felix Mantilla - Robby Ginepri | 5-7 7-5 6-0 |
| Radek Stepanek - Goran Ivanisevic | 6-2 6-4 |
| Tim Henman (4) - Florian Mayer | 7-5 6-1 |
| Carlos Moya (6) - Alberto Martin | 6-4 6-2 |
| Ivan Ljubicic - Arnaud Clement | 6-3 2-6 7-6 |
| Ivo Karlovic - Tommy Haas | 7-5 4-6 7-6 |
| Tommy Robredo - Mark Philippoussis (9) | 6-2 4-6 6-4 |
| Lleyton Hewitt (15) - Andreas Seppi | 5-7 7-5 6-3 |
| Andrei Pavel - Nicolas Lapentti | 6-4 6-3 |
| David Sanchez - Igor Andreev | 6-2 6-3 |
| Guillermo Canas - Andy Roddick (2) | 7-6 6-1 |
| Albert Costa - Roger Federer (1) | 3-6 6-3 6-2 |
| Luis Horna - Martin Verkerk (14) | 6-4 3-6 6-3 |
| Jiri Novak (12) - Max Mirnyi | 6-1 6-1 |
| David Ferrer - Sebastien Grosjean (7) | 6-7 6-3 6-2 |
| Vincent Spadea - Hicham Arazi | 2-6 6-2 6-4 |
| Nikolay Davydenko - Fernando Gonzalez (13) | 6-2 5-7 6-2 |
| Filippo Volandri - Sjeng Schalken (11) | 6-2 6-3 |
| David Nalbandian (5) - Flavio Saretta | 6-2 6-4 |
| Nicolas Massu (8) - Irakl Labadze | 6-2 7-5 |
| Marat Safin - Paradorn Srichaphan (10) | 6-2 6-2 |
| Mariano Zabaleta - Felix Mantilla | 7-5 6-3 |
| Tim Henman (4) - Radek Stepanek | 6-1 6-1 |
| Carlos Moya (6) - Ivan Ljubicic | 6-2 6-4 |
| Ivo Karlovic - Tommy Robredo | 7-6 6-4 |
| Andrei Pavel - Lleyton Hewitt (15) | 4-6 6-3 6-4 |
| David Sanchez - Guillermo Canas | 7-5 6-2 |