The Iowa High School Athletic Association (IHSAA) has finished assigning their postseason groupings for Classes 3A and 4A. The Washington Demon baseball team (5-10 overall) is among the eight teams competing in the Class 3A Substate 5 bracket.

Joining the Demons in the bracket includes: Benton (11-9), Clear Creek-Amana (9-9), Grinnell (6-8), South Tama County (9-12), Union LaPorte City (13-8), Vinton-Shellsburg (12-12), and Williamsburg (15-6).