# 2017 Copa Sudamericana final stages

The 2017 Copa Sudamericana final stages was played from 22 August to 13 December 2017. A total of 16 teams competed in the final stages to decide the champions of the 2017 Copa Sudamericana.

## Qualified teams

The 16 winners of the second stage advanced to the round of 16.
Starting from the round of 16, the teams were seeded according to the second stage draw, with each team assigned a "seed" 1–16 corresponding to the tie they won (O1–O16).
| Seed | Match | Second stage winners |
| 1 | O1 | Racing |
| 2 | O2 | Junior |
| 3 | O3 | Flamengo |
| 4 | O4 | Estudiantes |
| 5 | O5 | Independiente |
| 6 | O6 | LDU Quito |
| 7 | O7 | Ponte Preta |
| 8 | O8 | Santa Fe |
| 9 | O9 | Libertad |
| 10 | O10 | Sport Recife |
| 11 | O11 | Fluminense |
| 12 | O12 | Atlético Tucumán |
| 13 | O13 | Nacional |
| 14 | O14 | Chapecoense |
| 15 | O15 | Cerro Porteño |
| 16 | O16 | Corinthians |

## Format

Starting from the round of 16, the teams played a single-elimination tournament with the following rules:
* Each tie was played on a home-and-away two-legged basis, with the higher-seeded team hosting the second leg (Regulations Article 4.12).
* In the round of 16, quarterfinals, and semifinals, if tied on aggregate, the away goals rule would be used. If still tied, extra time would not be played, and the penalty shoot-out would be used to determine the winner (Regulations Article 6.1).
* In the finals, if tied on aggregate, the away goals rule would not be used, and 30 minutes of extra time would be played. If still tied after extra time, the penalty shoot-out would be used to determine the winner (Regulations Article 6.2).

## Bracket

The bracket starting from the round of 16 was determined as follows:
| Round | Matchups |
| Round of 16 | (Higher-seeded team host second leg) Match A: Winner O1 vs. Winner O16 Match B: Winner O2 vs. Winner O15 Match C: Winner O3 vs. Winner O14 Match D: Winner O4 vs. Winner O13 Match E: Winner O5 vs. Winner O12 Match F: Winner O6 vs. Winner O11 Match G: Winner O7 vs. Winner O10 Match H: Winner O8 vs. Winner O9 |
| Quarterfinals | (Higher-seeded team host second leg) Match S1: Winner A vs. Winner H Match S2: Winner B vs. Winner G Match S3: Winner C vs. Winner F Match S4: Winner D vs. Winner E |
| Semifinals | (Higher-seeded team host second leg) Match F1: Winner S1 vs. Winner S4 Match F2: Winner S2 vs. Winner S3 |
| Finals | (Higher-seeded team host second leg) Winner F1 vs. Winner F2 |
The bracket was decided based on the second stage draw, which was held on 14 June 2017.
| Round of 16 | Round of 16 | Round of 16 | Round of 16 | Round of 16 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | | Finals | Finals | Finals | Finals | Finals |
| 9 | Libertad | 1 | 1 | 2 | | | | | | | | | | | | | | | | |
| 8 | Santa Fe | 0 | 1 | 1 | | | | | | | | | | | | | | | | |
| 8 | Santa Fe | 0 | 1 | 1 | 9 | Libertad | 1 | 0 | 1 | | | | | | | | | | | |
| | | | | | 1 | Racing | 0 | 0 | 0 | | | | | | | | | | | |
| 16 | Corinthians | 1 | 0 | 1 | 1 | Racing | 0 | 0 | 0 | | | | | | | | | | | |
| 1 | Racing (a) | 1 | 0 | 1 | | | | | | | | | | | | | | | | |
| 1 | Racing (a) | 1 | 0 | 1 | | | | | | 9 | Libertad | 1 | 1 | 2 | | | | | | |
| | | | | | | | | | | 5 | Independiente | 0 | 3 | 3 | | | | | | |
| 13 | Nacional | 1 | 1 | 2 | | | | | | | | | | | 5 | Independiente | 0 | 3 | 3 | | | | | | |
| 4 | Estudiantes | 0 | 0 | 0 | | | | | | | | | | | | | | | | |
| 4 | Estudiantes | 0 | 0 | 0 | 13 | Nacional | 1 | 0 | 1 | | | | | | | | | | | |
| | | | | | 5 | Independiente | 4 | 2 | 6 | | | | | | | | | | | |
| 12 | Atlético Tucumán | 1 | 0 | 1 | 5 | Independiente | 4 | 2 | 6 | | | | | | | | | | | |
| 5 | Independiente | 0 | 2 | 2 | | | | | | | | | | | | | | | | |
| 5 | Independiente | 0 | 2 | 2 | | | | | | | | | | | | 5 | Independiente | 2 | 1 | 3 |
| | | | | | | | | | | | | | | | | 3 | Flamengo | 1 | 1 | 2 |
| 11 | Fluminense (a) | 1 | 1 | 2 | | | | | | | | | | | | | | | | | 3 | Flamengo | 1 | 1 | 2 |
| 6 | LDU Quito | 0 | 2 | 2 | | | | | | | | | | | | | | | | |
| 6 | LDU Quito | 0 | 2 | 2 | 11 | Fluminense | 0 | 3 | 3 | | | | | | | | | | | |
| | | | | | 3 | Flamengo | 1 | 3 | 4 | | | | | | | | | | | |
| 14 | Chapecoense | 0 | 0 | 0 | 3 | Flamengo | 1 | 3 | 4 | | | | | | | | | | | |
| 3 | Flamengo | 0 | 4 | 4 | | | | | | | | | | | | | | | | |
| 3 | Flamengo | 0 | 4 | 4 | | | | | | 3 | Flamengo | 2 | 2 | 4 | | | | | | |
| | | | | | | | | | | 2 | Junior | 1 | 0 | 1 | | | | | | |
| 10 | Sport Recife | 3 | 0 | 3 | | | | | | | | | | | 2 | Junior | 1 | 0 | 1 | | | | | | |
| 7 | Ponte Preta | 1 | 1 | 2 | | | | | | | | | | | | | | | | |
| 7 | Ponte Preta | 1 | 1 | 2 | 10 | Sport Recife | 0 | 0 | 0 | | | | | | | | | | | |
| | | | | | 2 | Junior | 2 | 0 | 2 | | | | | | | | | | | |
| 15 | Cerro Porteño | 0 | 1 | 1 | 2 | Junior | 2 | 0 | 2 | | | | | | | | | | | |
| 2 | Junior | 0 | 3 | 3 | | | | | | | | | | | | | | | | |

## Round of 16

The first legs were played on 22–24 August and 12–14 September, and the second legs were played on 12, 14 and 19–21 September 2017.
| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Corinthians | 1–1 (a) | Racing | 1–1 | 0–0 |
| Cerro Porteño | 1–3 | Junior | 0–0 | 1–3 |
| Chapecoense | 0–4 | Flamengo | 0–0 | 0–4 |
| Nacional | 2–0 | Estudiantes | 1–0 | 1–0 |
| Atlético Tucumán | 1–2 | Independiente | 1–0 | 0–2 |
| Fluminense | 2–2 (a) | LDU Quito | 1–0 | 1–2 |
| Sport Recife | 3–2 | Ponte Preta | 3–1 | 0–1 |
| Libertad | 2–1 | Santa Fe | 1–0 | 1–1 |

### Match A

Tied 1–1 on aggregate, Racing won on away goals and advanced to the quarterfinals (Match S1).

### Match B

Junior won 3–1 on aggregate and advanced to the quarterfinals (Match S2).

### Match C

Flamengo won 4–0 on aggregate and advanced to the quarterfinals (Match S3).

### Match D

Nacional won 2–0 on aggregate and advanced to the quarterfinals (Match S4).

### Match E

Independiente won 2–1 on aggregate and advanced to the quarterfinals (Match S4).

### Match F

Tied 2–2 on aggregate, Fluminense won on away goals and advanced to the quarterfinals (Match S3).

### Match G

Sport Recife won 3–2 on aggregate and advanced to the quarterfinals (Match S2).

### Match H

Libertad won 2–1 on aggregate and advanced to the quarterfinals (Match S1).

## Quarterfinals

The first legs were played on 24–26 October, and the second legs were played on 1 and 2 November 2017.
| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Libertad | 1–0 | Racing | 1–0 | 0–0 |
| Sport Recife | 0–2 | Junior | 0–2 | 0–0 |
| Fluminense | 3–4 | Flamengo | 0–1 | 3–3 |
| Nacional | 1–6 | Independiente | 1–4 | 0–2 |

### Match S1

Libertad won 1–0 on aggregate and advanced to the semifinals (Match F1).

### Match S2

Junior won 2–0 on aggregate and advanced to the semifinals (Match F2).

### Match S3

Flamengo won 4–3 on aggregate and advanced to the semifinals (Match F2).

### Match S4

Independiente won 6–1 on aggregate and advanced to the semifinals (Match F1).

## Semifinals

The first legs were played on 21 and 23 November, and the second legs will be played on 28 and 30 November 2017.
| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Libertad | 2–3 | Independiente | 1–0 | 1–3 |
| Flamengo | 4–1 | Junior | 2–1 | 2–0 |

### Match F1

Independiente won 3–2 on aggregate and advanced to the finals.

### Match F2

Flamengo won 4–1 on aggregate and advanced to the finals.

## Finals

In the finals, if tied on aggregate, the away goals rule would not be used, and 30 minutes of extra time would be played. If still tied after extra time, the penalty shoot-out would be used to determine the winner (Regulations Article 6.2).
The first leg was played on 6 December, and the second leg was played on 13 December 2017.
Independiente won 3–2 on aggregate.