Substate 1 @ Sioux City, North: Sergeant Bluff-Luton vs. LeMars @ Sioux City, North 7:00 p.m.
Substate 3 @ US Cellular Center, Cedar Rapids: Marion vs. Center Point-Urbana  6:30 p.m.
Substate 4 @ US Cellular Center, Cedar Rapids: Mount Vernon vs. Central DeWitt  8:00 p.m.
Substate 6 @ Knoxville: Pella vs. Oskaloosa 7:00 p.m.
Substate 7 @ WDM Valley: Norwalk vs. Dallas Center-Grimes 7:00 p.m.
Substate 8 @ Atlantic: Denison-Schleswig vs. Harlan 7:00 p.m.