2017 Copa Sudamericana final stages

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).^[3][4]

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

Starting from the round of 16, the teams played a single-elimination tournament with the following rules:^[2]

• 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).

The bracket starting from the round of 16 was determined as follows:^[3]

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.^[4]

	Round of 16							Quarterfinals							Semifinals							Finals
	9	Libertad	1	1	2
	8	Santa Fe	0	1	1
								9	Libertad	1	0	1
								1	Racing	0	0	0
	16	Corinthians	1	0	1
	1	Racing (a)	1	0	1
															9	Libertad	1	1	2
															5	Independiente	0	3	3
	13	Nacional	1	1	2
	4	Estudiantes	0	0	0
								13	Nacional	1	0	1
								5	Independiente	4	2	6
	12	Atlético Tucumán	1	0	1
	5	Independiente	0	2	2
																						5	Independiente	2	1	3
																						3	Flamengo	1	1	2
	11	Fluminense (a)	1	1	2
	6	LDU Quito	0	2	2
								11	Fluminense	0	3	3
								3	Flamengo	1	3	4
	14	Chapecoense	0	0	0
	3	Flamengo	0	4	4
															3	Flamengo	2	2	4
															2	Junior	1	0	1
	10	Sport Recife	3	0	3
	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	0	3	3

Summarize Timeline Top Qs Fact Check

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.^[5]

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

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

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

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

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

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

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

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

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

The first legs were played on 24–26 October, and the second legs were played on 1 and 2 November 2017.^[6]

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

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

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

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

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

The first legs were played on 21 and 23 November, and the second legs will be played on 28 and 30 November 2017.^[7]

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

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

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