2018 Copa Libertadores qualifying stages

The 2018 Copa Libertadores qualifying stages were played from 22 January to 22 February 2018. A total of 19 teams competed in the qualifying stages to decide four of the 32 places in the group stage of the 2018 Copa Libertadores.

Draw

The draw for the qualifying stages and group stage was held on 20 December 2017, 20:00 PYST, at the CONMEBOL Convention Centre in Luque, Paraguay.
Teams were seeded by their CONMEBOL ranking of the Copa Libertadores, taking into account of the following three factors:

Performance in the last 10 years, taking into account Copa Libertadores results in the period 2008–2017
Historical coefficient, taking into account Copa Libertadores results in the period 1960–2007
Local tournament champion, with bonus points awarded to domestic league champions of the last 10 years

For the first stage, the six teams were drawn into three ties, with the seeded teams hosting the second leg.

Seeded

Unseeded

Olimpia

Format

In the qualifying stages, 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, extra time was not played, and a penalty shoot-out was used to determine the winner.

Bracket

The qualifying stages were structured as follows:

First stage : The three winners of the first stage advanced to the second stage to join the 13 teams which were given byes to the second stage.
Second stage : The eight winners of the second stage advanced to the third stage.
Third stage : The four winners of the third stage advanced to the group stage to join the 28 direct entrants. The two best teams eliminated in the third stage entered the Copa Sudamericana second stage.

The bracket was decided based on the first stage draw and second stage draw, which were held on 20 December 2017.

First stage

The first legs were played on 22 January, and the second legs were played on 26 January 2018.

Match E1

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''Olimpia won 2–0 on aggregate and advanced to the second stage.''

Match E2

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''Tied 1–1 on aggregate, Deportivo Táchira won on away goals and advanced to the second stage.''

Match E3

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''Tied 3–3 on aggregate, Oriente Petrolero won on away goals and advanced to the second stage.''

Second stage

The first legs were played on 30–31 January and 1 February, and the second legs were played on 6–8 February 2018.

Match C1

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''Santa Fe won 3–2 on aggregate and advanced to the third stage.''

Match C2

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''Nacional won 2–0 on aggregate and advanced to the third stage.''

Match C3

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''Jorge Wilstermann won 4–3 on aggregate and advanced to the third stage.''

Match C4

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''Guaraní won 6–1 on aggregate and advanced to the third stage.''

Match C5

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''Junior won 3–2 on aggregate and advanced to the third stage.''

Match C6

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''Vasco da Gama won 6–0 on aggregate and advanced to the third stage.''

Match C7

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''Tied 3–3 on aggregate, Banfield won on away goals and advanced to the third stage.''

Match C8

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''Santiago Wanderers won 2–1 on aggregate and advanced to the third stage.''

Third stage

The first legs were played on 13–15 February, and the second legs were played on 20–22 February 2018.

Match G1

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''Santa Fe won 5–1 on aggregate and advanced to the group stage.''

Match G2

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''Nacional won 3–2 on aggregate and advanced to the group stage.''

Match G3

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''Tied 4–4 on aggregate, Vasco da Gama won on penalties and advanced to the group stage.''

Match G4

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''Junior won 1–0 on aggregate and advanced to the group stage.''

Copa Sudamericana qualification

The two best teams eliminated in the third stage entered the Copa Sudamericana second stage. Only matches in the third stage were considered for the ranking of teams.