The 2020–21 European Rugby Challenge Cup preliminary stage is the first stage of the competition in what is the seventh season of the European Rugby Challenge Cup.
The competition involves fourteen teams competing in a single league – with teams playing three opponents from another domestic competition home and away.
The preliminary stage began on 11 December 2020 and was due to be completed on 23 January 2021.
Teams are awarded group points based on match performances.
[2] In the event of a tie between two or more teams, the following tie-breakers are used, as directed by EPCR: Following round 2 the competition was temporarily suspended.