# 2010 Copa Sudamericana preliminary stages

The preliminary stages of the 2010 Copa Sudamericana de Clubes are:
* First Stage, contested by 16 teams in 8 two-legged ties. The winner of each tie will advance to the Second Stage.
* Second Stage, contested by 30 teams, 8 of whom advanced from the First Stage, in 15 two-legged ties. The winner of each tie will advance to the Round of 16, joining the defending champion, LDU Quito.

## First stage

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Colo-Colo | 3–3 (a) | Universitario | 0–2 | 3–1 |
| River Plate | 4–4 (a) | Guaraní | 0–2 | 4–2 |
| Barcelona | 5–2 | Universidad César Vallejo | 2–1 | 3–1 |
| Trujillanos | 2–5 | Atlético Huila | 1–4 | 1–1 |
| Oriente Petrolero | 3–2 | Universidad de Chile | 2–2 | 1–0 |
| Olimpia | 1–3 | Defensor Sporting | 0–2 | 1–1 |
| Universidad San Martín | (a) 3–3 | Deportivo Quito | 2–3 | 2–1 |
| Santa Fe | 4–2 | Deportivo Lara | 0–2 | 4–0 |

### Match A

Colo-Colo 3–3 Universitario on points. Universitario advanced on away goals.

### Match B

River Plate 3–3 Guaraní on points. Guaraní advanced on away goals.

### Match C

Barcelona advanced on points 6–0.

### Match D

Atlético Huila advanced on points 4–1.

### Match E

Oriente Petrolero advanced on points 4–1.

### Match F

Defensor Sporting advanced on points 4–1.

### Match G

Universidad San Martín 3–3 Deportivo Quito on points. Universidad San Martín advanced on away goals.

### Match H

Santa Fe 3–3 Deportivo Lara on points. Santa Fe advanced on goal difference.

## Second stage

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| San José | 5–1 | Atlético Huila | 1–1 | 4–0 |
| Argentinos Juniors | 1–2 | Independiente | 0–1 | 1–1 |
| Peñarol | 3–1 | Barcelona | 1–0 | 2–1 |
| Palmeiras | 3–2 | Vitória | 0–2 | 3–0 |
| Caracas | 1–2 | Santa Fe | 1–2 | 0–0 |
| Avaí | 3–2 | Santos | 3–1 | 0–1 |
| Deportes Tolima | 2–1 | Oriente Petrolero | 0–1 | 2–0 |
| Unión San Felipe | 2–2 (8–7 p) | Guaraní | 1–1 | 1–1 |
| Banfield | 2–1 | Vélez Sársfield | 1–0 | 1–1 |
| Emelec | 6–2 | Universidad San Martín | 1–2 | 5–0 |
| Atlético Mineiro | 1–0 | Grêmio Prudente | 0–0 | 1–0 |
| Cerro Porteño | 2–3 | Universitario | 0–1 | 2–2 |
| Grêmio | 1–3 | Goiás | 1–1 | 0–2 |
| Sport Huancayo | 2–9 | Defensor Sporting | 0–9 | 2–0 |
| Estudiantes | 1–2 | Newell's Old Boys | 0–1 | 1–1 |

### Match O1

San José advanced on points 4-1.

### Match O2

Independiente advanced on points 4–1.

### Match O3

Peñarol advanced on points 6–0.

### Match O4

Palmeiras 3–3 Vitória on points. Palmeiras advanced on goal difference.

### Match O5

Santa Fe advanced on points 4–1.

### Match O6

Avaí 3–3 Santos on points. Avaí advanced on goal difference.

### Match O7

Deportes Tolima 3–3 Oriente Petrolero on points. Deportes Tolima advanced on goal difference.

### Match O9

Unión San Felipe 3–3 Guaraní on points. Unión San Felipe advanced 8–7 on penalties.

### Match O10

Banfield advanced on points 4–1.

### Match O11

Emelec 3–3 Universidad San Martín on points. Emelec advanced on goal difference.

### Match O12

Atlético Mineiro advanced on points 4–1.

### Match O13

Universitario advanced on points 4–1.

### Match O14

Goiás advanced on points 4–1.

### Match O15

Note: This is the largest margin of victory in the history of the Copa Sudamericana.
Sport Huancayo 3–3 Defensor Sporting on points. Defensor Sporting advanced on goal difference.

### Match O16

Newell's Old Boys advanced on points 4–1.