2015 Copa Sudamericana elimination stages

The 2015 Copa Sudamericana elimination stages were played from August 11 to September 17, 2015. A total of 46 teams competed in the elimination stages to decide 15 of the 16 places in the final stages of the 2015 Copa Sudamericana.

Draw
The draw of the tournament was held on July 16, 2015, 20:00 UTC−4, at the Salón Joao Havelange of the CONMEBOL Convention Centre in Luque, Paraguay.

For the first stage, the 32 teams were divided into two zones:
 * South Zone: The 16 teams from Bolivia, Chile, Paraguay, and Uruguay were drawn into eight ties.
 * North Zone: The 16 teams from Colombia, Ecuador, Peru, and Venezuela were drawn into eight ties.

Teams which qualified for berths 1 were drawn against teams which qualified for berths 4, and teams which qualified for berths 2 were drawn against teams which qualified for berths 3, with the former hosting the second leg in both cases. Teams from the same association could not be drawn into the same tie.

For the second stage, the 30 teams, including the 16 winners of the first stage (eight from South Zone, eight from North Zone), whose identity was not known at the time of the draw, and the 14 teams which entered the second stage, were divided into three sections:
 * Winners of the first stage: The 16 winners of the first stage were drawn into eight ties, with the order of legs decided by draw. Teams from the same association could be drawn into the same tie.
 * Brazil: The eight teams from Brazil were drawn into four ties. Teams which qualified for berths 1–4 were drawn against teams which qualified for berths 5–8, with the former hosting the second leg.
 * Argentina: The six teams from Argentina were drawn into three ties. Teams which qualified for berths 1–3 were drawn against teams which qualified for berths 4–6, with the former hosting the second leg.

Format
In the elimination stages (first stage and second stage), each tie was played on a home-and-away two-legged basis. If tied on aggregate, the away goals rule was used. If still tied, the penalty shoot-out was used to determine the winner (no extra time was played). The 15 winners of the second stage (eight from winners of the first stage, four from Brazil, three from Argentina) advanced to the round of 16 to join the defending champions (River Plate).

First stage
The first legs were played on August 11–13, and the second legs were played on August 18–20, 2015. 

!colspan=6|South Zone

!colspan=6|North Zone


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Match G1
Juventud won 4–3 on aggregate and advanced to the second stage (Match O14).

Match G2
Nacional won 3–0 on aggregate and advanced to the second stage (Match O3).

Match G3
Libertad won 2–1 on aggregate and advanced to the second stage (Match O9).

Match G4
Nacional won 5–2 on aggregate and advanced to the second stage (Match O1).

Match G5
Defensor Sporting won 3–2 on aggregate and advanced to the second stage (Match O2).

Match G6
Universidad Católica won 3–1 on aggregate and advanced to the second stage (Match O9).

Match G7
Olimpia won 4–0 on aggregate and advanced to the second stage (Match O6).

Match G8
Sportivo Luqueño won 7–2 on aggregate and advanced to the second stage (Match O4).

Match G9
Tied 0–0 on aggregate, Deportes Tolima won on penalties and advanced to the second stage (Match O13).

Match G10
Deportivo La Guaira won 2–1 on aggregate and advanced to the second stage (Match O4).

Match G11
Emelec won 6–1 on aggregate and advanced to the second stage (Match O14).

Match G12
Junior won 5–4 on aggregate and advanced to the second stage (Match O13).

Match G13
Universitario won 6–2 on aggregate and advanced to the second stage (Match O2).

Match G14
LDU Quito won 3–1 on aggregate and advanced to the second stage (Match O1).

Match G15
Águilas Doradas won 3–1 on aggregate and advanced to the second stage (Match O6).

Match G16
Santa Fe won 3–0 on aggregate and advanced to the second stage (Match O3).

Second stage
The first legs were played on August 18–20 and 26–27, and the second legs were played on August 25–27 and September 15–17, 2015. 


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Match O1
LDU Quito won 2–0 on aggregate and advanced to the round of 16 (Match A).

Match O2
Defensor Sporting won 4–0 on aggregate and advanced to the round of 16 (Match B).

Match O3
Santa Fe won 2–1 on aggregate and advanced to the round of 16 (Match C).

Match O4
Sportivo Luqueño won 5–1 on aggregate and advanced to the round of 16 (Match D).

Match O5
Brasília won 2–0 on aggregate and advanced to the round of 16 (Match E).

Match O6
Olimpia won 3–2 on aggregate and advanced to the round of 16 (Match F).

Match O7
Huracán won 6–2 on aggregate and advanced to the round of 16 (Match G).

Match O8
Chapecoense won 4–1 on aggregate and advanced to the round of 16 (Match H).

Match O9
Libertad won 4–2 on aggregate and advanced to the round of 16 (Match H).

Match O10
Sport Recife won 4–2 on aggregate and advanced to the round of 16 (Match G).

Match O11
Independiente won 2–1 on aggregate and advanced to the round of 16 (Match F).

Match O12
Atlético Paranaense won 3–0 on aggregate and advanced to the round of 16 (Match E).

Match O13
Deportes Tolima won 2–1 on aggregate and advanced to the round of 16 (Match D).

Match O14
Tied 0–0 on aggregate, Emelec won on penalties and advanced to the round of 16 (Match C).

Match O15
Lanús won 6–2 on aggregate and advanced to the round of 16 (Match B).