(2-0) Clarinda def Lenox (21-6, 21-6)
(2-0) Stanton def Lenox (21-16, 21-16)
(2-0) Stanton def Clarinda (21-11, 21-17)

(2-1) Denison-Schleswig def MVAOCOU (12-21, 21-18, 15-8)
(2-0) Sioux City West def. Denison-Schleswig (21-17, 21-19)
(2-0) Siouxland Christian def Denison-Schleswig (21-16, 21-17)

(3-1) Earlham def Ogden (25-18, 25-20, 19-25, 25-12)

(2-0) Glidden-Ralston def Collins-Maxwell (25-9, 25-9)
(2-0) Greene County def Collins-Maxwell (25-11, 25-6)
(2-0) Greene County def Glidden-Ralston (25-19, 25-16)

(2-0) Logan-Magnolia def Heartland Christian (25-9, 26-24)
(2-0) Logan-Magnolia def West Harrison (25-16, 25-9)
(2-1) West Harrison def Heartland Christian (18-25, 25-18, 15-12)

(3-0) Ridge View def South Central Calhoun (25-19, 25-23, 25-18)

(2-0) Riverside def Bedford (25-19, 25-21)
(2-0) Riverside def Essex (25-7, 25-1)
(2-0) Bedford def Essex (25-18, 25-20)

(2-0) Southeast Warren def North Mahaska (21-15, 21-15)
(2-1) North Mahaska def Seymour (17-21, 21-7, 15-3)
(2-1) North Mahaska def Moravia (19-21, 21-8, 15-7)

(3-0) Twin Cedars def East Union (25-12, 25-18, 25-8)

(3-1) Van Meter def ACGC (25-20, 24-26, 27-25, 25-17)

(3-0) West Central Valley def Panorama (25-15, 25-23, 25-16)

(3-2) Woodward-Granger def. Madrid (26-24, 20-25, 22-25, 25-18, 15-3)