The Pilgrims' trip to Liberty Way, which was postponed due to a waterlogged pitch on Easter Monday, will now take place on Tuesday April 24 (kick-off 7.45pm).
It means that United will play their final seven fixtures of the season within a 22-day period — starting at Darlington on Saturday.
Saturday April 7: Darlington (A)
Tuesday April 10: Spennymoor Town (A)
Saturday April 14: Bradford Park Avenue (H)
Tuesday April 17: Harrogate Town (H)
Saturday April 21: Salford City (A)
Tuesday April 24: Nuneaton Town (A)
Saturday April 28: AFC Telford United (H)