# 2005 Copa Sudamericana

The 2005 Copa Sudamericana, also known as the 2005 Copa Nissan Sudamericana de Clubes for sponsorship reasons, was the 4th edition of the international football cup competition played annually by clubs of CONMEBOL, and starting with this edition invited teams from CONCACAF. Boca Juniors successfully defended the Sudamericana trophy, winning the tournament for the second time.

## First stage

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Chile/Peru Preliminary |||||
| Universidad de Chile | 2–2 (a) | Universidad Católica | 1–2 | 1–0 |
| Alianza Atlético | 2–2 (4–1p) | Universitario | 1–1 | 1–1 |
| Bolivia/Ecuador Preliminary |||||
| The Strongest | 4–2 | Bolívar | 2–1 | 2–1 |
| El Nacional | 5–5 (a) | LDU Quito | 3–4 | 2–1 |
| Paraguay/Uruguay Preliminary |||||
| Guaraní | 3–3 (3–4p) | Cerro Porteño | 1–2 | 2–1 |
| Defensor Sporting | 5–4 | Danubio | 2–3 | 3–1 |
| Colombia/Venezuela Preliminary |||||
| Deportivo Cali | 2–2 (6–7p) | Atlético Nacional | 2–0 | 0–2 |
| Trujillanos | 5–2 | Mineros de Guayana | 3–1 | 2–1 |

## Second stage

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Universidad Católica | 5–2 | Alianza Atlético | 5–0 | 0–2 |
| Banfield | 3–2 | Estudiantes | 2–0 | 1–2 |
| Fluminense | 3–3 (4–2p) | Santos | 2–1 | 1–2 |
| Cerro Porteño | 3–1 | Defensor Sporting | 2–0 | 1–1 |
| Internacional | 3–2 | São Paulo | 2–1 | 1–1 |
| Newell's Old Boys | 0–1 | Rosario Central | 0–0 | 0–1 |
| The Strongest | 5–1 | LDU Quito | 2–1 | 3–0 |
| Goiás | 1–3 | Corinthians | 0–2 | 1–1 |
| Juventude | 2–3 | Cruzeiro | 1–3 | 1–0 |
| Trujillanos | 1–7 | Atlético Nacional | 1–5 | 0–2 |

## Knockout rounds

| Round of 16 | Round of 16 | Round of 16 | Round of 16 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | | Final | Final | Final | Final |
| Vélez Sársfield | 2 | 1 | 3 | | | | | | | | | | | | | |
| Cruzeiro | 0 | 2 | 2 | | | | | | | | | | | | | |
| Cruzeiro | 0 | 2 | 2 | Vélez Sársfield | 2 | 2 | 4 | | | | | | | | | |
| | | | | América | 0 | 0 | 0 | | | | | | | | | |
| América | 3 | 4 | 7 | América | 0 | 0 | 0 | | | | | | | | | |
| Atlético Nacional | 3 | 1 | 4 | | | | | | | | | | | | | |
| Atlético Nacional | 3 | 1 | 4 | | | | | Vélez Sársfield | 0 | 0 | 0 | | | | | |
| | | | | | | | | UNAM | 0 | 4 | 4 | | | | | |
| Corinthians (a) | 0 | 1 | 1 | | | | | | | | | UNAM | 0 | 4 | 4 | | | | | |
| River Plate | 0 | 1 | 1 | | | | | | | | | | | | | |
| River Plate | 0 | 1 | 1 | Corinthians | 2 | 0 | 2 | | | | | | | | | |
| | | | | UNAM | 1 | 3 | 4 | | | | | | | | | |
| UNAM | 3 | 1 | 4 | UNAM | 1 | 3 | 4 | | | | | | | | | |
| The Strongest | 1 | 2 | 3 | | | | | | | | | | | | | |
| The Strongest | 1 | 2 | 3 | | | | | | | | | | UNAM | 1 | 1 | 2 (3) |
| | | | | | | | | | | | | | Boca Juniors (p) | 1 | 1 | 2 (4) |
| Rosario Central | 0 | 1 | 1 | | | | | | | | | | | | | | Boca Juniors (p) | 1 | 1 | 2 (4) |
| Internacional | 1 | 1 | 2 | | | | | | | | | | | | | |
| Internacional | 1 | 1 | 2 | Internacional | 1 | 1 | 2 | | | | | | | | | |
| | | | | Boca Juniors | 0 | 4 | 4 | | | | | | | | | |
| Cerro Porteño | 2 | 1 | 3 | Boca Juniors | 0 | 4 | 4 | | | | | | | | | |
| Boca Juniors | 2 | 5 | 7 | | | | | | | | | | | | | |
| Boca Juniors | 2 | 5 | 7 | | | | | Boca Juniors | 2 | 1 | 3 | | | | | |
| | | | | | | | | Universidad Católica | 2 | 0 | 2 | | | | | |
| Fluminense | 0 | 3 | 3 | | | | | | | | | Universidad Católica | 2 | 0 | 2 | | | | | |
| Banfield | 0 | 1 | 1 | | | | | | | | | | | | | |
| Banfield | 0 | 1 | 1 | Fluminense | 2 | 0 | 2 | | | | | | | | | |
| | | | | Universidad Católica | 1 | 2 | 3 | | | | | | | | | |
| D.C. United | 1 | 2 | 3 | Universidad Católica | 1 | 2 | 3 | | | | | | | | | |
| Universidad Católica | 1 | 3 | 4 | | | | | | | | | | | | | |