The 2015 Copa Sudamericana elimination stages were played from August 11 to September 17, 2015.
[1] 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.
If still tied, the penalty shoot-out was used to determine the winner (no extra time was played).
Universidad Católica won 3–1 on aggregate and advanced to the second stage (Match O9).
Tied 0–0 on aggregate, Deportes Tolima won on penalties and advanced to the second stage (Match O13).
Deportivo La Guaira won 2–1 on aggregate and advanced to the second stage (Match O4).
Águilas Doradas won 3–1 on aggregate and advanced to the second stage (Match O6).
Tied 0–0 on aggregate, Emelec won on penalties and advanced to the round of 16 (Match C).