José Acasuso was the defending champion, but chose not to participate this year.
Luis Horna won the title, defeating Nicolás Massú in the final, 7–5, 6–3.
Seeds
- 1.
Fernando González (quarterfinals) - 2.
Gastón Gaudio (round robin, withdrew because of a left thigh injury) - 3. Nicolás Massú (final)
- 4.
Rubén Ramírez Hidalgo (round robin) - 5.
Luis Horna (champion) - 6. Sergio Roitman (quarterfinals, retired because of an abductor injury)
- 7. Albert Montañés (semifinals)
- 8. Martín Vassallo Argüello (semifinals)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- SE = Special exempt
- PR = Protected ranking
- ITF = ITF entry
- JE = Junior exempt
- w/o = Walkover
- r = Retired
- d = Defaulted
- SR = Special ranking
Finals
| Quarterfinals | Semifinals | Final | ||||||||||||||||||
| 1 | Fernando González
| 3 | 6 | 4 | ||||||||||||||||
| 7 | Albert Montañés
| 6 | 3 | 6 | ||||||||||||||||
| 7 | Albert Montañés
| 1 | 3 | |||||||||||||||||
| 3 | Nicolás Massú
| 6 | 6 | |||||||||||||||||
| 3 | Nicolás Massú
| 0 | 77 | 0 | ||||||||||||||||
| 6 | Sergio Roitman
| 6 | 63 | 0r | ||||||||||||||||
| 3 | Nicolás Massú
| 5 | 3 | |||||||||||||||||
| 5 | Luis Horna
| 7 | 6 | |||||||||||||||||
| 5 | Luis Horna
| 6 | 6 | |||||||||||||||||
 Igor Andreev
| 3 | 3 | ||||||||||||||||||
| 5 | Luis Horna
| 7 | 6 | |||||||||||||||||
| 8 | Martín Vassallo Argüello
| 5 | 4 | |||||||||||||||||
| 8 | Martín Vassallo Argüello
| 3 | 6 | 7 | ||||||||||||||||
| Carlos Berlocq
| 6 | 3 | 5 | |||||||||||||||||
Round robin
| Group 1 | González
|
 Alves
|
 Patience
|
RR W–L | Set W–L | Game W–L | Standings | |
| 1 | Fernando González
|
6–2, 6–2 | 5–7, 6–0, 6–4 | 2–0 | 4–1 (80.0%) | 29–15 (65.9%) | 1 | |
| Thiago Alves
|
2–6, 2–6 | 2–6, 4–6 | 0–2 | 0–4 (0.0%) | 10–24 (29.4%) | 3 | ||
| Olivier Patience
|
7–5, 0–6, 4–6 | 6–2, 6–4 | 1–1 | 3–2 (60.0%) | 23–23 (50.0%) | 2 |
| Group 2 | Montañés
|
Hernández
|
Kuerten
|
RR W–L | Set W–L | Game W–L | Standings | |
| 7 | Albert Montañés
|
6–3, 7–5 | 6–1, 6–4 | 2–0 | 4–0 (100%) | 25–13 (65.8%) | 1 | |
| Q | Óscar Hernández
|
3–6, 5–7 | 7–6(7–2), 7–6(7–3) | 1–1 | 2–2 (50.0%) | 22–25 (46.8%) | 2 | |
| WC | Gustavo Kuerten
|
1–6, 4–6 | 6–7(2–7), 6–7(3–7) | 0–2 | 0–4 (0.0%) | 17–26 (39.5%) | 3 |
| Group 3 | Massú
|
Capdeville
|
Fraile
|
RR W–L | Set W–L | Game W–L | Standings | |
| 3 | Nicolás Massú
|
6–4, 6–3 | 6–3, 6–2 | 2–0 | 4–0 (100%) | 24–12 (66.7%) | 1 | |
| WC | Paul Capdeville
|
4–6, 3–6 | 7–6(7–3), 6–1 | 1–1 | 2–2 (50.0%) | 20–19 (51.3%) | 2 | |
| Gorka Fraile
|
3–6, 2–6 | 6–7(3–7), 1–6 | 0–2 | 0–4 (0.0%) | 12–25 (32.4%) | 3 |
| Group 4 | Roitman
|
Guzmán
|
Zabaleta
|
RR W–L | Set W–L | Game W–L | Standings | |
| 6 | Sergio Roitman
|
4–6, 6–4, 6–3 | 6–4, 6–4 | 2–0 | 4–1 (80.0%) | 28–21 (57.1%) | 1 | |
| Q | Juan Pablo Guzmán
|
6–4, 4–6, 3–6 | 3–6, 4–6 | 0–2 | 1–4 (20.0%) | 20–28 (41.7%) | 3 | |
| Mariano Zabaleta
|
4–6, 4–6 | 6–3, 6–4 | 1–1 | 2–2 (50.0%) | 20–19 (53.6%) | 2 |
| Group 5 | Horna
|
Mello
|
 di Mauro
|
RR W–L | Set W–L | Game W–L | Standings | |
| 5 | Luis Horna
|
6–3, 6–1 | 6–1, 6–2 | 2–0 | 4–0 (100%) | 24–7 (77.4%) | 1 | |
| Ricardo Mello
|
3–6, 1–6 | 6–0, 6–4 | 1–1 | 2–2 (50.0%) | 16–16 (50.0%) | 2 | ||
| Alessio di Mauro
|
1–6, 2–6 | 0–6, 4–6 | 0–2 | 0–4 (0.0%) | 7–24 (22.6%) | 3 |
| Group 6 | Ramírez Hidalgo
|
Hartfield
|
Andreev
|
RR W–L | Set W–L | Game W–L | Standings | |
| 4 | Rubén Ramírez Hidalgo
|
6–4, 6–1 | 6–7(3–7), 1–6 | 1–1 | 2–2 (50.0%) | 19–18 (51.4%) | 2 | |
| Diego Hartfield
|
4–6, 1–6 | 3–6, 6–3, 4–6 | 0–2 | 1–4 (20.0%) | 18–27 (40.0%) | 3 | ||
| Igor Andreev
|
7–6(7–3), 6–1 | 6–3, 3–6, 6–4 | 2–0 | 4–1 (80.0%) | 28–20 (58.3%) | 1 |
| Group 7 | Vassallo Argüello
|
Portas
|
 Pašanski
|
RR W–L | Set W–L | Game W–L | Standings | |
| 8 | Martín Vassallo Argüello
|
6–1, 6–1 | 7–6(7–2), 6–4 | 2–0 | 4–0 (100%) | 25–12 (67.6%) | 1 | |
| Q | Albert Portas
|
1–6, 1–6 | 6–3, 6–3 | 1–1 | 2–2 (50.0%) | 14–18 (43.8%) | 2 | |
| Boris Pašanski
|
6–7(2–7), 4–6 | 3–6, 3–6 | 0–2 | 0–4 (0.0%) | 16–25 (39.0%) | 3 |
| Group 8 | Gaudio Junqueira
|
Berlocq
|
Navarro Pastor
|
RR W–L | Set W–L | Game W–L | Standings | |
| 2 LL |
Gastón Gaudio Diego Junqueira
|
2–6, 2–6 (w/ Gaudio) |
3–6, 6–7(5–7) (w/ Junqueira) |
0–1 0–1 |
0–2 (0.0%) 0–2 (0.0%) |
4–12 (25.0%) 9–13 (40.9%) |
X 3 | |
| Carlos Berlocq
|
6–2, 6–2 (w/ Gaudio) |
7–6(7–4), 6–2 | 2–0 | 4–0 (100%) | 25–12 (67.6%) | 1 | ||
| Iván Navarro Pastor
|
6–3, 7–6(7–5) (w/ Junqueira) |
6–7(4–7), 2–6 | 1–1 | 2–2 (50.0%) | 21–22 (48.8%) | 2 |
Qualifying
Seeds
- 1. Albert Portas (qualified)
- 2. Óscar Hernández (qualified)
- 3. Flávio Saretta (first round)
- 4. Juan Pablo Guzmán (qualified)
- 5. André Sá (first round)
- 6. Diego Junqueira (qualifying competition, lucky loser)
Qualifiers
Lucky loser
Qualifying draw
First qualifier
| First round | Qualifying competition | ||||||||||||
| 1 | Albert Portas
| 6 | 6 | ||||||||||
| WC | Jorge Aguilar
| 4 | 1 | ||||||||||
| 1 | Albert Portas
| 6 | 3 | 6 | |||||||||
| André Ghem
| 2 | 6 | 1 | ||||||||||
| André Ghem
| 4 | 6 | 6 | ||||||||||
| 5 | André Sá
| 6 | 3 | 3 | |||||||||
Second qualifier
| First round | Qualifying competition | ||||||||||||
| 2 | Óscar Hernández
| 6 | 6 | ||||||||||
| Simone Vagnozzi
| 4 | 4 | |||||||||||
| 2 | Óscar Hernández
| 6 | 6 | ||||||||||
| 6 | Diego Junqueira
| 3 | 2 | ||||||||||
| Alt |  Rainer Eitzinger
| 2 | 77 | 1 | |||||||||
| 6 | Diego Junqueira
| 6 | 65 | 6 | |||||||||
Third qualifier
| First round | Qualifying competition | ||||||||||||
| 3 | Flávio Saretta
| 4 | 6 | 5 | |||||||||
| Marc López
| 6 | 1 | 7 | ||||||||||
| Marc López
| 6 | 0r | |||||||||||
| 4 | Juan Pablo Guzmán
| 2 | 0 | ||||||||||
 Juan Antonio Marín
| 3 | 2 | |||||||||||
| 4 | Juan Pablo Guzmán
| 6 | 6 | ||||||||||