Aberdeen Roncalli def. Ipswich, 25-22, 22-25, 25-19, 25-14
Andes Central/Dakota Christian def. Kimball/White Lake, 25-17, 23-25, 22-25, 25-23, 16-10
Belle Fourche def. Spearfish, 25-22, 25-18, 25-22
Canistota def. Irene-Wakonda, 25-22, 25-10, 25-27, 26-24
Cheyenne-Eagle Butte def. Dupree, 19-25, 11-25, 25-16, 25-22, 15-11
Edgemont def. Oelrichs, 25-10, 25-15, 25-6
Ethan def. Avon, 23-25, 25-21, 25-13, 25-16
Eureka/Bowdle def. Edmunds Central, 25-23, 25-20, 18-25, 25-18
Great Plains Lutheran def. Aberdeen Christian, 25-20, 25-17, 25-18
Hanson def. Scotland, 25-13, 25-19, 25-19
Herreid/Selby Area def. South Border, N.D., 25-15, 25-17, 21-25, 25-16
Highmore-Harrold def. Crow Creek, 25-12, 25-18, 25-22
Langford def. Groton Area, 27-25, 9-25, 25-20, 25-23
Newell def. Takini, 25-10, 21-25, 25-11, 25-21
Platte-Geddes def. Tripp-Delmont/Armour, 25-16, 22-25, 23-25, 26-24, 15-8
Potter County def. Mobridge-Pollock, 24-26, 25-13, 25-20, 25-11
Sanborn Central/Woonsocket def. Corsica/Stickney, 25-17, 25-17, 26-24
Warner def. Webster, 25-12, 25-8, 25-10
Wilmot def. Tri-State, N.D., 23-25, 25-9, 25-17, 25-16
Winner def. Mt. Vernon/Plankinton, 25-20, 25-21, 28-30, 25-15
AP-WF-10-17-17 0800GMT