Aberdeen Roncalli def. Britton-Hecla, 25-17, 25-9, 25-12
Alcester-Hudson def. Viborg-Hurley, 28-26, 25-22, 25-8
Andes Central/Dakota Christian def. Gregory, 25-19, 25-13, 25-19
Avon def. Gayville-Volin, 25-15, 25-10, 25-18
Baltic def. Flandreau, 25-23, 25-21, 25-23
Belle Fourche def. Douglas, 25-13, 25-16, 25-12
Castlewood def. Estelline, 25-8, 25-15, 25-16
Chamberlain def. Jones County, 25-13, 25-10, 25-18
Chester def. Arlington, 25-21, 23-25, 21-25, 25-3, 15-6
Colman-Egan def. Oldham-Ramona/Rutland, 25-9, 25-4, 25-15
Corsica/Stickney def. Marty Indian, 25-15, 25-22, 25-11
Crow Creek def. Lower Brule, 25-18, 25-14, 25-20
Dakota Valley def. Tea Area, 25-13, 25-20, 25-14
DeSmet def. Dell Rapids St. Mary, 25-14, 25-19, 25-22
Edmunds Central def. Timber Lake, 25-17, 17-25, 25-20, 9-25, 15-11
Ethan def. Tripp-Delmont/Armour, 25-15, 25-8, 25-20
Faith def. Newell, 25-9, 25-13, 25-7
Great Plains Lutheran def. Waverly-South Shore, 20-25, 25-21, 25-10, 25-18
Hamlin def. Sisseton, 25-22, 25-6, 25-15
Harding County def. Bison, 25-16, 25-14, 25-16
Herreid/Selby Area def. Ipswich, 23-25, 25-23, 23-25, 25-18, 15-5
Hitchcock-Tulare def. Wessington Springs, 25-17, 25-19, 24-26, 25-17
Kadoka Area def. Rapid City Christian, 26-24, 25-14, 25-13
Kimball/White Lake def. Colome, 25-5, 25-19, 25-17
Lemmon def. Dupree, 25-15, 25-18, 25-17
Lyman def. Stanley County, 25-21, 25-20, 25-15
Madison def. Parkston, 25-20, 25-14, 25-8
McCook Central/Montrose def. Hanson, 23-25, 25-14, 26-24, 20-25, 15-10
McIntosh def. McLaughlin, 25-19, 25-9, 25-11
Menno def. Scotland, 25-23, 21-25, 25-21, 25-9
Milbank def. Groton Area, 27-25, 25-16, 20-25, 25-17, 12-15
Parker def. Howard, 25-21, 25-14, 25-21
Philip def. New Underwood, 25-15, 25-19, 25-20
Potter County def. Eureka/Bowdle, 25-19, 25-15, 25-10
Redfield/Doland def. Clark/Willow Lake, 25-17, 25-12, 25-14
Sioux Falls Christian def. Lennox, 25-12, 25-12, 25-14
Sioux Valley def. Garretson, 25-15, 25-6, 25-10
Spearfish def. Lead-Deadwood, 25-20, 25-14, 25-13
St. Thomas More def. Custer, 25-17, 17-25, 21-25, 25-23, 15-10
Valentine, Neb. def. Bennett County, 20-25, 25-23, 23-25, 25-18, 16-14
Wagner def. Burke/South Central, 25-18, 25-17, 22-25, 16-25, 15-8
Waubay/Summit def. Hankinson, N.D., 25-18, 16-25, 25-19, 19-25, 15-8
Webster def. Tiospa Zina Tribal, 17-25, 25-17, 25-16, 25-21
West Central def. Tri-Valley, 25-19, 25-14, 20-25, 25-18
Winner def. Platte-Geddes, 25-21, 25-20, 25-15
Wolsey-Wessington def. Lake Preston, 25-23, 25-18, 25-22
AP-WF-10-24-17 0801GMT