[2] The draw for the first stage was held on 19 December 2023, 12:00 PYST (UTC−3), at the CONMEBOL Convention Centre in Luque, Paraguay.
[3][4] For the first stage, the 32 teams involved were divided into eight pots according to their national association.
[5] In the first stage, each tie was played on a single-leg basis, with the winner being decided in a penalty shoot-out in case of a draw after 90 minutes.
[6][7][8] Nacional Potosí advanced to the group stage (BOL 1).
Unión La Calera advanced to the group stage (CHI 1).