Andes Central/Dakota Christian def. Kimball/White Lake, 20-25, 14-25, 20-25
Aberdeen Roncalli def. Ipswich, 25-8, 25-15, 25-15
Bridgewater-Emery def. Wessington Springs, 25-23, 26-24, 25-15
Britton-Hecla def. Sisseton, 25-21, 25-17, 15-25, 25-21
Cheyenne-Eagle Butte def. Dupree, 25-19, 22-25, 21-25, 25-19, 15-10
Colome def. St. Francis Indian, 25-21, 25-23, 25-22
DeSmet def. Iroquois, 26-24, 25-13, 25-19
Edgemont def. Oelrichs, 25-18, 25-11, 25-12
Ethan def. Avon, 25-15, 25-16, 25-20
Eureka/Bowdle def. Edmunds Central, 25-9, 25-20, 25-20
Groton Area def. Florence/Henry, 25-14, 25-20, 25-11
Hanson def. Scotland, 25-12, 25-16, 25-16
Highmore-Harrold def. Crow Creek, 25-7, 25-13, 25-11
Mobridge-Pollock def. Potter County, 25-15, 25-17, 25-9
Newell def. Takini, 25-14, 25-19, 25-17
Sanborn Central/Woonsocket def. Corsica/Stickney, 25-9, 25-3, 25-14
Tri-State, N.D. def. Great Plains Lutheran, 25-16, 25-17, 25-22
Waverly-South Shore def. Estelline, 25-10, 25-8, 25-18
AP-WF-10-18-16 0800GMT