Volleyball

Aberdeen Christian def. Iroquois, 25-22, 25-14, 25-13

Langford def. Waverly-South Shore, 25-22, 25-18, 20-25, 25-14

McCook Central/Montrose def. Mt. Vernon/Plankinton, 25-19, 25-19, 25-19

Viborg-Hurley def. Bon Homme, 25-23, 26-24, 18-25, 25-19

Waubay/Summit def. Tri-State, N.D., 25-14, 25-22, 25-15