[3] The draw for the group stage was held on 17 December 2019, 20:30 PYST (UTC−3), at the CONMEBOL Convention Centre in Luque, Paraguay.
Teams from the same association could not be drawn into the same group, excluding the four winners of the third stage, which were allocated to Pot 4 and whose identity was not known at the time of the draw, and could be drawn into the same group with another team from the same association.
The third-placed teams of each group entered the Copa Sudamericana second stage.
[3][9][10][11][12] On 12 March 2020, CONMEBOL announced that the tournament would be temporarily suspended after matchday 2 due to the COVID-19 pandemic, with matches on matchday 3, originally scheduled for 17–19 March 2020, postponed to a later date to be confirmed.
[14] On 17 April 2020, CONMEBOL announced that the tournament would be suspended indefinitely, and no date had been set for its resumption.