# 2004 Copa Sudamericana

The 2004 Copa Nissan Sudamericana was the 3rd edition of CONMEBOL's secondary international football tournament. It was won by Argentine club Boca Juniors, who defeated Bolívar of Bolivia to win their first title.

## First stage
### Argentina Preliminary

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Argentina 3A Preliminary |||||
| Arsenal | 5−4 | Banfield | 1−1 | 4−3 |
| Argentina 4A Preliminary |||||
| Quilmes | 0−2 | San Lorenzo | 0−2 | 0−0 |

### Brazil Preliminary
#### First round

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Brazil 1A Preliminary |||||
| Paraná | 2−4 | Santos | 2−1 | 0−3 |
| Brazil 2A Preliminary |||||
| Figueirense | 1−1 (2−4p) | Internacional | 0−0 | 1−1 |
| Brazil 3A Preliminary |||||
| Goiás | 5−3 | Atlético Mineiro | 4−2 | 1−1 |
| Brazil 4A Preliminary |||||
| Coritiba | 3−4 | São Caetano | 1−2 | 2−2 |

#### Second round

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Brazil 5A Preliminary |||||
| Santos | 2−2 (5−4p) | Flamengo | 0−0 | 2−2 |
| Brazil 6A Preliminary |||||
| Internacional | 3−2 | Grêmio | 2−0 | 1−2 |
| Brazil 7A Preliminary |||||
| Goiás | 4−5 | Cruzeiro | 2−2 | 2−3 |
| Brazil 8A Preliminary |||||
| São Caetano | 2−2 (1−4p) | São Paulo | 1−1 | 1−1 |

### Ecuador/Cienciano/Venezuela Preliminary
#### First round

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Venezuela Preliminary |||||
| Deportivo Italchacao | 0−2 | Carabobo | 0−0 | 0−2 |

#### Second round

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Venezuela/Cienciano Preliminary |||||
| Cienciano | 8−2 | Carabobo | 2−1 | 6−1 |
| Ecuador Preliminary |||||
| LDU Quito | 2−1 | Aucas | 1−0 | 1−1 |

### Chile/Bolivia Preliminary

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Chile Preliminary |||||
| Universidad de Concepción | 3−1 | Santiago Wanderers | 2−1 | 1−0 |
| Bolivia Preliminary |||||
| Aurora | 2−5 | Bolívar | 1−2 | 1−3 |

### Colombia/Peru Preliminary

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Colombia Preliminary |||||
| Millonarios | 1−2 | Junior | 1−0 | 0−2 |
| Peru Preliminary |||||
| Coronel Bolognesi | 2−4 | Alianza Atlético | 1−0 | 1−4 |

### Paraguay/Uruguay Preliminary

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Paraguay Preliminary |||||
| Cerro Porteño | 3−1 | Libertad | 1−1 | 2−0 |
| Uruguay Preliminary |||||
| Danubio | 2−3 | Peñarol | 1−2 | 1−1 |

## Second stage
### Argentina Zone

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Quarterfinalist 4 |||||
| San Lorenzo | 2−2 (1−4p) | Boca Juniors | 1−0 | 1−2 |
| Quarterfinalist 6 |||||
| Arsenal | 2−1 | River Plate | 2−1 | 0−0 |

### Brazil Zone

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Quarterfinalist 2 |||||
| Internacional | 4−1 | Cruzeiro | 3−1 | 1−0 |
| Quarterfinalist 7 |||||
| Santos | 2−1 | São Paulo | 1−0 | 1−1 |

### Ecuador/2003 Champion/Venezuela Zone

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Quarterfinalist 8 |||||
| LDU Quito | 6−2 | Cienciano | 4−0 | 2−2 |

### Chile/Bolivia Zone

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Quarterfinalist 5 |||||
| Universidad de Concepción | 2−4 | Bolívar | 0−0 | 2−4 |

### Colombia/Peru Zone

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Quarterfinalist 1 |||||
| Alianza Atlético | 1−6 | Junior | 0−2 | 1−4 |

### Paraguay/Uruguay Zone

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Quarterfinalist 3 |||||
| Peñarol | 3−4 | Cerro Porteño | 1−3 | 2−1 |

## Bracket

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Finals | Finals | Finals | Finals |
| Junior | 0 | 1 | 1 | | | | | | | | |
| Internacional | 1 | 1 | 2 | | | | | | | | |
| Internacional | 1 | 1 | 2 | Internacional | 0 | 2 | 2 | | | | |
| | | | | Boca Juniors | 0 | 4 | 4 | | | | |
| Cerro Porteño | 1 | 0 | 1 (7) | Boca Juniors | 0 | 4 | 4 | | | | |
| Boca Juniors | 1 | 0 | 1 (8) | | | | | | | | |
| Boca Juniors | 1 | 0 | 1 (8) | | | | | Boca Juniors | 0 | 2 | 2 |
| | | | | | | | | Bolívar | 1 | 0 | 1 |
| Bolívar | 0 | 3 | 3 | | | | | | | | | Bolívar | 1 | 0 | 1 |
| Arsenal | 1 | 0 | 1 | | | | | | | | |
| Arsenal | 1 | 0 | 1 | Bolívar | 1 | 2 | 3 | | | | |
| | | | | LDU Quito | 1 | 1 | 2 | | | | |
| Santos | 2 | 1 | 3 | LDU Quito | 1 | 1 | 2 | | | | |
| LDU Quito | 3 | 2 | 5 | | | | | | | | |

## Quarterfinals

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Internacional | 2−1 | Junior | 1−0 | 1−1 |
| Boca Juniors | 1−1 (8−7p) | Cerro Porteño | 1−1 | 0−0 |
| Arsenal | 1−3 | Bolívar | 1−0 | 0−3 |
| LDU Quito | 5−3 | Santos | 3−2 | 2−1 |

## Semifinals

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Boca Juniors | 4−2 | Internacional | 4−2 | 0−0 |
| LDU Quito | 2−3 | Bolívar | 1−1 | 1−2 |