2012 Copa Libertadores First Stage
The First Stage of the 2012 Copa Santander Libertadores de América ran from January 24 to February 2, 2012 (first legs: January 24–26; second legs: January 31–February 2).
The twelve teams were drawn into six ties on November 25, 2011 in Asunción.
Teams played in two-legged ties on a home-away basis. Each team earned 3 points for a win, 1 point for a draw, and 0 points for a loss. The following criteria was used for breaking ties on points:
The six winners advanced to the second stage to join the 26 automatic qualifiers.
Team 1 played the second leg at home.
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