The 2020 Copa Sudamericana final stages were played from 24 November 2020 to 23 January 2021. A total of 16 teams competed in the final stages to decide the champions of the 2020 Copa Sudamericana, with the final played in Córdoba, Argentina at the Estadio Mario Alberto Kempes.
The final stages had been originally scheduled to be played from 21 July to 7 November 2020, but were postponed due to the COVID-19 pandemic.
The 16 winners of the second stage advanced to the round of 16.
<section begin=Seeding /> Starting from the round of 16, the teams are seeded according to the second stage draw, with each team assigned a "seed" 1âÂÂ16 corresponding to the tie they win (O1âÂÂO16) (Regulations Article 2.2.2.1).<section end=Seeding />
<section begin=Format /> Starting from the round of 16, the teams play a single-elimination tournament with the following rules:
The bracket starting from the round of 16 is determined as follows:
<section begin=Bracket /> The bracket was decided based on the second stage draw, which was held on 23 October 2020.
<section end=Bracket />
The first legs were played on 24âÂÂ26 November, and the second legs were played on 1âÂÂ3 December 2020. <section begin=Round of 16 />
<section end=Round of 16 />
Independiente won 5âÂÂ1 on aggregate and advanced to the quarter-finals (Match S1).
Bahia won 1âÂÂ0 on aggregate and advanced to the quarter-finals (Match S2).
Tied 3âÂÂ3 on aggregate, Junior won on penalties and advanced to the quarter-finals (Match S3).
Tied 2âÂÂ2 on aggregate, Universidad Católica won on away goals and advanced to the quarter-finals (Match S4).
Vélez Sarsfield won 7âÂÂ1 on aggregate and advanced to the quarter-finals (Match S4).
Coquimbo Unido won 2âÂÂ0 on aggregate and advanced to the quarter-finals (Match S3).
Defensa y Justicia won 2âÂÂ1 on aggregate and advanced to the quarter-finals (Match S2).
Lanús won 7âÂÂ4 on aggregate and advanced to the quarter-finals (Match S1).
The first legs were played on 8âÂÂ10 December, and the second legs were played on 15âÂÂ17 December 2020. <section begin=Quarter-finals />
<section end=Quarter-finals />
Lanús won 3âÂÂ1 on aggregate and advanced to the semi-finals (Match F1).
Defensa y Justicia won 4âÂÂ2 on aggregate and advanced to the semi-finals (Match F2).
Tied 2âÂÂ2 on aggregate, Coquimbo Unido won on away goals and advanced to the semi-finals (Match F2).
Vélez Sarsfield won 4âÂÂ3 on aggregate and advanced to the semi-finals (Match F1).
The first legs were played on 6 & 12 January 2021, and the second legs were played on 13 & 16 January 2021. <section begin=Semi-finals />
<section end=Semi-finals />
Lanús won 4âÂÂ0 on aggregate and advanced to the final.
Defensa y Justicia won 4âÂÂ2 on aggregate and advanced to the final.
The final was played on 23 January 2021 at the Estadio Mario Alberto Kempes in Córdoba. <section begin=Final /> <section end=Final />