Millwall will travel to Crawley Town in the 2020/21 Carabao Cup First Round.
The game against the League Two side will take place on Saturday 5th September, with a 1pm kick-off.
The Lions and The Red Devils have met once in the competition before - under the name of the Capital One Cup - when Crawley won 4-1 on penalties at The Den after a 2-2 draw in August 2012.