Substate 1 @ Denison: Carroll (22-2) vs. Sergeant Bluff-Luton (15-7)
Substate 2 @ Algona: Clear Lake (21-2) vs. Humboldt (15-7)
Substate 3 @ Waverly-Shell Rock: Western Dubuque (17-4) vs. Decorah (17-6)
Substate 4 @ Maquoketa: Solon (21-2) vs. Monticello (21-0)
Substate 5 @ Davenport North: Assumption (17-6) vs. Mount Vernon (17-5)
Substate 6 @ Oskaloosa: Pella (21-2) vs. Grinnell (10-13)
Substate 7 @ Indianola: Ballard (22-1) vs. Bondurant-Farrar (13-10) 8:00 p.m.
Substate 8 @ Indianola: Dallas Center-Grimes (19-3) vs. Atlantic (14-6) 5:30 p.m. – ON KJAN Pregame 5:15 p.m.