2009 Copa Sudamericana final stages

The last four stages of the 2009 Copa Sudamericana de Clubes are the Round of 16, Quarterfinals, Semifinals, and Finals.

Seeding
Teams from the Round of 16 onwards were seeded depending on which First Stage qualifier they won (ex: the winner of First Stage Qualifier O1 were given the 1 seed). The lower seeded team will play the first leg at home.

Round of 16
The first leg of the Round of 16 was played from September 22 to September 24. The second leg was played from September 30 to October 1. Team #1 played the first leg at home.


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Match A
Cerro Porteño advanced on away goals.

Match B
Vélez Sarsfield advanced 4–1 on points.

Match C
River Plate advanced 4–1 on points.

Match D
Universidad de Chile advanced 4–1 on points.

Match E
Fluminense advanced 4–1 on points.

Match F
San Lorenzo advanced 6–0 on points.

Match G
LDU Quito advanced 4–1 on points.

Match H
Botafogo advanced on goal difference.

Quarterfinals
The first leg of the Quarterfinals was played from October 20–22. The second leg was played from November 4–5. Team #1 played the first leg at home.


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Match S1
Cerro Porteño advanced 6–0 on points.

Match S2
LDU Quito advanced 4–1 on points.

Match S3
''River Plate and San Lorenzo tied on points and goal difference. River Plate advanced 7–6 on penalties.''

Match S4
Fluminense advanced 4–1 on points.

Semifinals
The first leg of the Semifinals was played from November 11–12. The second leg was played from November 18–19. Team #1 played the first leg at home.


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Match F1
Fluminense advanced 6–0 on points.

Match F2
LDU Quito advanced on goal difference.

Finals
The finals were played on November 25 and December 2.


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LDU Quito won on goal difference.