2018 Copa Libertadores final stages
The 2018 Copa Libertadores final stages were played from 7 August to 9 December 2018. A total of 16 teams competed in the final stages to decide the champions of the 2018 Copa Libertadores. Qualified teams. The winners and runners-up of each of the eight groups in the group stage advanced to the round of 16. 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 1–8, and the group runners-up (Pot  2 in round of 16 draw) seeded 9–16. Format. Starting from the round of 16, the teams played a single-elimination tournament with the following rules: Draw. The draw for the round of 16 was held on 4 June 2018, 20:00 PYT (), at the CONMEBOL Convention Centre in Luque, Paraguay. For the round of 16, the 16 teams were drawn into eight ties (A–H) 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. Bracket. The bracket starting from the round of 16 was determined as follows: The bracket was decided based on the round of 16 draw, which was held on 4 June 2018. Round of 16. The first legs were played on 7–9 and 21 August, and the second legs were played on 28–30 August 2018. Match A. "River Plate won 3–0 on aggregate and advanced to the quarterfinals (Match S1)." Match B. "Tied 2–2 on aggregate, Colo-Colo won on away goals and advanced to the quarterfinals (Match S2)." Match C. "Cruzeiro won 2–1 on aggregate and advanced to  the quarterfinals (Match S3)." Match D. "Tied 3–3 on aggregate, Grêmio won on penalties and advanced to the quarterfinals (Match S4)." Match E. "Atlético Tucumán won 2–1 on aggregate and advanced to the quarterfinals (Match S4)." Match F. "Boca Juniors won 6–2 on aggregate and advanced to the quarterfinals (Match S3)." Match G. "Palmeiras won 2–1 on aggregate and advanced to the quarterfinals (Match S2)." Match H. "Independiente won 3–0 on aggregate and advanced to the quarterfinals (Match S1)." Quarter-finals. The first legs were played on 18–20 September, and the second legs were played on 2–4 October 2018. Match  S1. "River Plate won 3–1 on aggregate and advanced to the semifinals (Match F1)." Match S2. "Palmeiras won 4–0 on aggregate and advanced to the semifinals (Match F2)." Match S3. "Boca Juniors won 3–1 on aggregate and advanced to the semifinals (Match F2)." Match S4. "Grêmio won 6–0 on aggregate and advanced to the semifinals (Match F1)." Semi-finals. The first legs were played on 23–24 October, and the second legs were played on 30–31 October 2018. Match F1. "Tied 2–2 on aggregate, River Plate won on away goals and advanced to the finals." Match F2. "Boca Juniors won 4–2  on aggregate and advanced to the finals." Finals. In the finals, if tied on aggregate, the away goals rule was not used, and 30 minutes of extra time were played. If still tied after extra time, a penalty shoot-out was used to determine the winner (Regulations Article 30). The first leg was played on 11 November (originally scheduled on 10 November, but postponed due to rain), and the second leg was played on 9 December 2018 (originally scheduled on 24 November, but postponed due to safety concerns following an attack on the Boca Juniors team bus prior to the  original scheduled match). "River Plate won 5–3 on aggregate."