Dell Rapids def. Elk Point-Jefferson, 17-25, 25-16, 20-25, 25-19, 15-10
Dell Rapids St. Mary def. Oldham-Ramona/Rutland, 7-25, 11-25, 9-25
Alcester-Hudson def. Scotland, 25-9, 25-20, 25-16
Arlington def. Colman-Egan, 23-25, 25-21, 25-18, 25-18
Baltic def. Beresford, 25-17, 25-23, 25-19
Belle Fourche def. St. Thomas More, 25-22, 17-25, 25-12, 25-19
Bison def. Faith, 21-25, 25-20, 25-19, 25-23
Bon Homme def. Andes Central/Dakota Christian, 26-24, 25-22, 25-23
Chamberlain def. Stanley County, 25-19, 25-17, 19-25, 25-17
Chester def. McCook Central/Montrose, 25-13, 25-16, 25-16
Clark/Willow Lake def. Britton-Hecla, 25-18, 25-27, 25-15, 25-13
Clinton-Graceville-Beardsley, Minn. def. Wilmot, 25-23, 25-22, 25-23
Dakota Valley def. Tri-Valley, 25-6, 25-12, 25-11
Deubrook def. Lake Preston, 25-19, 25-17, 25-9
Dupree def. McLaughlin, 25-18, 19-25, 25-23, 25-20
Freeman def. Irene-Wakonda, 25-22, 25-17, 25-19
Gayville-Volin def. Canistota, 22-25, 25-20, 25-20, 25-20
Gregory def. St. Francis Indian, 25-5, 25-7, 25-13
Groton Area def. Ipswich, 25-21, 26-24, 25-8
Hamlin def. Great Plains Lutheran, 23-25, 25-12, 12-25, 25-17, 15-11
Hanson def. Sanborn Central/Woonsocket, 25-22, 25-21, 25-19
Harding County def. New England, N.D., 25-20, 20-25, 25-23, 25-22
Harrisburg def. Sioux Falls O’Gorman, 25-20, 25-22, 25-18
Hill City def. Edgemont, 25-19, 25-12, 25-16
Huron def. Brandon Valley, 25-22, 27-25, 27-25
Lead-Deadwood def. Hot Springs, 25-14, 25-16, 20-25, 25-18
Leola/Frederick def. Langford, 25-15, 25-16, 18-25, 22-25, 15-8
Lyman def. White River, 25-12, 25-11, 25-8
Madison def. Canton, 25-12, 25-9, 25-12
Menno def. Tripp-Delmont/Armour, 27-25, 25-19, 24-17
Milbank Area def. Deuel, 25-12, 25-9, 25-12
Miller/Highmore-Harrold def. James Valley Christian, 25-21, 17-25, 25-15, 25-7
Mitchell def. Watertown, 25-23, 25-19, 19-25, 23-25, 15-13
Mitchell Christian def. Sunshine Bible Academy, 25-14, 25-14, 25-11
Moorhead, Minn. def. Sioux Falls Washington, 25-22, 25-15, 25-19
Mt. Vernon/Plankinton def. Bridgewater-Emery, 25-15, 25-12, 25-15
Parker def. Sioux Valley, 25-14, 25-22, 25-17
Parkston def. Avon, 19-25, 21-25, 25-19, 25-23, 15-8
Pierre def. Brookings, 25-15, 25-23, 25-17
Redfield/Doland def. Hitchcock-Tulare, 25-16, 27-25, 25-21
Sioux Falls Christian def. Garretson, 25-5, 25-6, 25-10
Sioux Falls Lincoln def. Yankton, 25-9, 25-16, 23-25, 25-17
Sioux Falls Roosevelt def. Sioux City, East, Iowa, 25-14, 25-13, 20-25, 25-13
South Border, N.D. def. Eureka/Bowdle, 25-7, 25-13, 25-9
Sully Buttes def. Faulkton, 25-22, 25-22, 25-11
Wagner def. Platte-Geddes, 30-28, 21-25, 23-25, 25-17, 15-11
Wall def. Jones County, 25-13, 25-10, 25-12
Warner def. Aberdeen Roncalli, 25-6, 25-15, 25-10
West Central def. Tea Area, 25-23, 25-21, 25-17
Winner def. Burke/South Central, 18-25, 25-16, 22-25, 25-23, 15-12
Flandreau Triangular
Castlewood def. Flandreau, 25-18, 25-15, 25-14
Elkton-Lake Benton def. Castlewood, 24-26, 25-21, 25-12, 25-22
Elkton-Lake Benton def. Flandreau, 25-16, 23-25, 25-14, 25-22
Kadoka Triangular
Kadoka Area def. Oelrichs, 25-21, 25-16, 25-12
Kadoka Area def. Takini, 25-2, 25-4, 25-4
Oelrichs def. Takini, 25-11, 25-19, 25-21
AP-WF-08-31-16 0801GMT