2013 Copa Libertadores first stage
The first stage of the 2013 Copa Libertadores de América was played from January 22 to January 31, 2013. A total of 12 teams competed in the first stage.
Draw
The draw of the tournament was held on December 21, 2012, 11:00, at the CONMEBOL Convention Centre in Luque, Paraguay.For the first stage, the 12 teams were drawn into six ties containing a team from Pot 1 and a team from Pot 2, with the former hosting the second leg in three ties, and the latter hosting the second leg in the other three ties. The seeding of each team was determined by which associations reached the furthest stage in the previous Copa Libertadores.
Seeding
The following were the seeding of the 12 teams entered into the first stage draw:| Pot 1 | Pot 2 |
 Tigre Grêmio São Paulo Iquique Deportes Tolima Olimpia |  Bolívar LDU Quito León Universidad César Vallejo Defensor Sporting Deportivo Anzoátegui |
Format
In the first 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. The winners of each tie advanced to the second stage to join the 26 automatic qualifiers.Matches
The first legs were played on January 22–24, and the second legs were played on January 29–31, 2013.Match G1
----Tigre won 5–1 on aggregate.
Match G2
----Tied 1–1 on aggregate, Grêmio won on penalties.
Match G3
----Deportes Tolima won 2–1 on aggregate.
Match G4
----Olimpia won 2–0 on aggregate.
Match G5
----São Paulo won 8–4 on aggregate.
Match G6
----Tied 2–2 on aggregate, Iquique won on penalties.