Burke def. Andes Central/Dakota Christian, 25-9, 25-15, 25-6
Chester def. West Central, 29-27, 22-25, 25-20, 25-16
Clark-Willow Lake def. Flandreau, 25-15, 25-16, 21-25, 25-11
Colman-Egan def. Bridgewater-Emery, 21-25, 22-25, 25-13, 25-18, 15-11
Crow Creek Tribal School def. Little Wound, 26-24, 25-20, 28-26
Dell Rapids St Mary def. Centerville, 25-22, 25-23, 25-19
Dell Rapids def. Deubrook, 25-20, 25-15, 25-20
Edgemont def. Newell, 25-20, 25-9, 25-13
Elk Point-Jefferson def. South Sioux City, Neb., 25-22, 25-13, 25-22
Estelline-Hendricks def. James Valley Christian, 25-10, 25-10, 25-18
Ethan def. Howard, 25-16, 25-17, 25-22
Faith def. Dupree, 25-19, 25-17, 25-16
Freeman def. Oldham-Ramona-Rutland, 25-23, 25-13, 25-23
Garretson def. McCook Central-Montrose, 25-10, 25-21, 25-22
Hamlin def. DeSmet, 25-21, 25-18, 25-20
Hanson def. Menno, 25-7, 25-20, 25-12
Harding County def. Ekalaka, Mont., 25-12, 25-18, 25-20
Herreid-Selby def. Faulkton, 25-22, 23-25, 25-16, 25-20
Hill City def. St Thomas More, 25-16, 14-25, 18-25, 25-18, 17-15
Hitchcock-Tulare def. Castlewood, 25-11, 25-17, 25-12
Kadoka def. White River, 25-9, 25-14, 25-15
Lemmon High School def. Grant County, N.D., 25-16, 25-9, 25-12
Lyman def. Jones County, 25-14, 25-18, 25-23
Madison def. Milbank, 24-26, 25-19, 22-25, 25-21, 15-12
McIntosh High School def. Bison, 25-19, 25-12, 25-16
McLaughlin def. Takini, 25-20, 25-17, 25-13
Miller def. Platte-Geddes, 25-11, 25-17, 27-25
Mobridge-Pollock def. Aberdeen Roncalli, 23-25, 25-20, 25-20, 25-11
Mt. Vernon/Plankinton def. Kimball-White Lake, 31-29, 25-15, 25-20
Parkston def. Wagner, 19-25, 31-29, 25-16, 21-25, 15-12
Philip def. Wall, 25-13, 25-19, 16-25, 20-25, 15-11
Ponca, Neb. def. Vermillion, 25-11, 25-16, 25-10
Rapid City Christian def. Hot Springs, 19-25, 25-21, 25-23, 29-27
Rapid City Stevens def. Douglas, 25-14, 21-25, 25-20, 25-14
Sanborn Central-Woonsocket def. Iroquois-Lake Preston, 25-14, 25-11, 22-25, 25-16
Sioux Falls Christian def. Southwest Minnesota Christian, Minn., 25-15, 25-13, 25-14
Sioux Falls Jefferson def. Mitchell, 25-14, 25-17, 25-18
Sioux Falls Roosevelt def. Huron, 23-25, 25-19, 25-17, 25-11
Sioux Falls Washington def. Brookings, 25-22, 25-13, 25-17
Sioux Valley def. Arlington, 26-24, 25-15, 25-17
Sisseton def. Waverly-South Shore, 25-14, 25-17, 25-10
Stanley County def. Sully Buttes, 26-24, 25-13, 25-16
Tiospa Zina def. Flandreau Indian, 25-14, 25-17, 19-25, 17-25, 15-8
Tripp-Delmont-Armour def. Marty, 25-18, 25-8, 25-6
Warner def. Redfield, 25-18, 25-9, 25-7
Watertown def. Sioux Falls Lincoln, 25-23, 25-13, 25-22
Webster def. Leola-Frederick High School, 25-13, 25-21, 25-19, 25-19,
Wessington Springs def. Sunshine Bible Academy, 25-17, 25-9, 25-16
Wilmot def. Waubay/Summit, 25-18, 25-18, 25-19
Winner def. Chamberlain, 25-9, 25-13, 25-4
Wolsey-Wessington def. Highmore-Harrold, 25-15, 25-20, 25-8