The 2017 Copa Libertadores final stages were played from 4 July to 29 November 2017. A total of 16 teams competed in the final stages to decide the champions of the 2017 Copa Libertadores.
The winners and runners-up of each of the eight groups in the group stage advanced to the round of 16.
<section begin=Seeding /> Starting from the round of 16, the teams were seeded according to their results in the group stage, with the group winners (Pot 1 in round of 16 draw) seeded 1âÂÂ8, and the group runners-up (Pot 2 in round of 16 draw) seeded 9âÂÂ16.
<section end=Seeding />
<section begin=Format /> Starting from the round of 16, the teams played a single-elimination tournament with the following rules:
There were two format changes from the previous season:
<section begin=Draw /> The draw for the round of 16 was held on 14 June 2017, 20:00 PYT (), at the CONMEBOL Convention Center in Luque, Paraguay. For the round of 16, the 16 teams were drawn into eight ties (AâÂÂH) between a group winner (Pot 1) and a group runner-up (Pot 2), with the group winners hosting the second leg. Teams from the same association or the same group could be drawn into the same tie.<section end=Draw />
The bracket starting from the round of 16 was determined as follows:
<section begin=Bracket /> The bracket was decided based on the round of 16 draw, which was held on 14 June 2017. <section end=Bracket />
The first legs were played on 4âÂÂ6 July, and the second legs were played on 8âÂÂ10 August 2017. <section begin=Round of 16 />
<section end=Round of 16 />
River Plate won 3âÂÂ1 on aggregate and advanced to the quarterfinals (Match S1).
Santos won 4âÂÂ2 on aggregate and advanced to the quarterfinals (Match S2).
Botafogo won 3âÂÂ0 on aggregate and advanced to the quarterfinals (Match S3).
Tied 1âÂÂ1 on aggregate, San Lorenzo won on penalties and advanced to the quarterfinals (Match S4).
Lanús won 2âÂÂ1 on aggregate and advanced to the quarterfinals (Match S4).
Grêmio won 3âÂÂ1 on aggregate and advanced to the quarterfinals (Match S3).
Tied 1âÂÂ1 on aggregate, Barcelona won on penalties and advanced to the quarterfinals (Match S2).
Jorge Wilstermann won 1âÂÂ0 on aggregate and advanced to the quarterfinals (Match S1).
The first legs were played on 13âÂÂ14 September, and the second legs were played on 20âÂÂ21 September 2017. <section begin=Quarterfinals />
<section end=Quarterfinals />
River Plate won 8âÂÂ3 on aggregate and advanced to the semifinals (Match F1).
Barcelona won 2âÂÂ1 on aggregate and advanced to the semifinals (Match F2).
Grêmio won 1âÂÂ0 on aggregate and advanced to the semifinals (Match F2).
Tied 2âÂÂ2 on aggregate, Lanús won on penalties and advanced to the semifinals (Match F1).
The first legs were played on 24âÂÂ25 October, and the second legs were played on 31 October and 1 November 2017. <section begin=Semifinals />
<section end=Semifinals />
Lanús won 4âÂÂ3 on aggregate and advanced to the finals.
Grêmio won 3âÂÂ1 on aggregate and advanced to the 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 5.3).
The first leg was played on 22 November, and the second leg was played on 29 November 2017. <section begin=Finals />
Grêmio won 3âÂÂ1 on aggregate.<section end=Finals />