2019 Copa Sudamericana final stages
The 2019 Copa Sudamericana [|final] stages were played from 9 July to 9 November 2019. A total of 16 teams competed in the final stages to decide the champions of the 2019 Copa Sudamericana, with the final played in Asunción, Paraguay at the Estadio General Pablo Rojas.
Qualified teams
The 16 winners of the second stage advanced to the round of 16.Seeding
Starting from the round of 16, the teams are seeded according to the second stage draw, with each team assigned a "seed" 1–16 corresponding to the tie they win .
| Seed | Match | Second stage winners |
| 1 | O1 |  La Equidad |
| 2 | O2 |  Independiente del Valle |
| 3 | O3 |  Fluminense |
| 4 | O4 |  Sporting Cristal |
| 5 | O5 |  Argentinos Juniors |
| 6 | O6 |  Montevideo Wanderers |
| 7 | O7 | Universidad Católica |
| 8 | O8 | Atlético Mineiro |
| 9 | O9 | Botafogo |
| 10 | O10 | Independiente |
| 11 | O11 | Corinthians |
| 12 | O12 | Colón |
| 13 | O13 |  Zulia |
| 14 | O14 | Peñarol |
| 15 | O15 | Caracas |
| 16 | O16 |  Royal Pari |
Format
Starting from the round of 16, the teams play a single-elimination tournament with the following rules:
- In the round of 16, quarter-finals, and semi-finals, each tie is played on a home-and-away two-legged basis, with the higher-seeded team hosting the second leg. If tied on aggregate, the away goals rule will be used. If still tied, extra time will not be played, and the penalty shoot-out will be used to determine the winner.
- The final is played as a single match at a venue pre-selected by CONMEBOL, with the higher-seeded team designated as the "home" team for administrative purposes. If tied after regulation, 30 minutes of extra time will be played. If still tied after extra time, the penalty shoot-out will be used to determine the winner.
Bracket
| Round | Matchups |
| Round of 16 |
|
| Quarter-finals |
|
| Semi-finals |
|
| Finals |
|
The bracket was decided based on the second stage draw, which was held on 13 May 2019.
Round of 16
The first legs were played on 9–11 and 23–25 July, and the second legs were played on 16–18, 30–31 July and 1 August 2019.Match A
----La Equidad won 4–2 on aggregate and advanced to the quarter-finals.
Match B
----Independiente del Valle won 2–0 on aggregate and advanced to the quarter-finals.
Match C
----Fluminense won 5–2 on aggregate and advanced to the quarter-finals.
Match D
----Tied 3–3 on aggregate, Zulia won on away goals and advanced to the quarter-finals.
Match E
----Tied 1–1 on aggregate, Colón won on penalties and advanced to the quarter-finals.
Match F
----Corinthians won 4–1 on aggregate and advanced to the quarter-finals.
Match G
----Tied 3–3 on aggregate, Independiente won on away goals and advanced to the quarter-finals.
Match H
----Atlético Mineiro won 3–0 on aggregate and advanced to the quarter-finals.
Quarter-finals
The first legs were played on 6, 8, 20 and 22 August, and the second legs were played on 13, 15, 27 and 29 August 2019.Match S1
----Atlético Mineiro won 5–2 on aggregate and advanced to the semi-finals.
Match S2
----Tied 2–2 on aggregate, Independiente del Valle won on away goals and advanced to the semi-finals.
Match S3
----Tied 1–1 on aggregate, Corinthians won on away goals and advanced to the semi-finals.
Match S4
----Colón won 4–1 on aggregate and advanced to the semi-finals.
Semi-finals
The first legs were played on 18–19 September, and the second legs were played on 25–26 September 2019.Match F1
----Tied 3–3 on aggregate, Colón won on away goals and advanced to the final.
Match F2
----Independiente del Valle won 4–2 on aggregate and advanced to the final.