Region 1A
Aberdeen Roncalli def. Redfield, 25-20, 25-17, 25-23
Milbank def. Sisseton, 25-14, 25-18, 15-25, 25-11
Webster def. Britton-Hecla 25-16, 25-12, 25-19
Region 2A
Clark-Willow Lake def. Elkton-Lake Benton, 25-12, 25-19, 23-25, 25-22
Great Plains Lutheran def. Deuel, 25-11, 25-13, 25-10
Sioux Valley def. Florence-Henry, 25-12, 25-9, 25-12
Region 3A
Baltic def. Flandreau, 25-8, 25-14, 25-10
Garretson def. Tri-Valley, 25-15, 25-18, 25-17
Madison def. West Central 23-25, 25-22, 25-21, 25-23
Region 4A
Elk Point-Jefferson def. Vermillion, 25-4, 25-15, 25-8
Lennox def. Canton, 18-25, 25-21, 25-21, 25-19
Sioux Falls Christian def. Beresford, 25-5, 25-17, 25-16
Region 5A
Bon Homme def. Parker, 13-25, 19-25, 25-21, 27-25, 19-17
Wagner def. McCook Central-Montrose, 25-21, 25-22, 25-23
Region 6A
Mobridge-Pollock def. Crow Creek Tribal School, 25-11, 25-11, 25-7
Platte-Geddes def. Cheyenne-Eagle Butte, 25-21, 25-16, 25-15
Stanley County def. Chamberlain, 25-22, 25-16, 25-20
Region 7A
Lakota Tech def. St. Francis Indian, 25-10, 25-7, 25-8
Todd County def. Mahpíya Lúta Red Cloud, 26-24, 16-25, 25-16, 16-25, 15-10
Region 8A
Custer def. Belle Fourche, 25-14, 25-11, 25-21
Rapid City Christian def. Hot Springs, 25-21, 12-25, 25-15, 16-25, 15-5
St Thomas More def. Lead-Deadwood, 25-15, 25-17, 25-6
Region 1B
Aberdeen Christian def. Wilmot, 25-19, 25-17, 25-22
Hitchcock-Tulare def. Tiospa Zina, 25-14, 25-1, 25-9
Northwestern def. Langford, 25-14, 25-12, 25-8
Warner def. Waverly-South Shore, 25-3, 25-5, 25-13
Region 2B
Castlewood def. Iroquois-Lake Preston, 25-13, 25-7, 25-7
DeSmet def. Wessington Springs, 25-12, 25-14, 25-22
Deubrook def. Estelline-Hendricks, 25-20, 25-22, 25-21
Wolsey-Wessington def. Arlington, 25-19, 25-20, 25-17
Region 3B
Bridgewater-Emery def. Dell Rapids St Mary, 25-15, 25-22, 25-22
Chester def. Canistota, 25-16, 25-6, 25-11
Colman-Egan def. Sanborn Central-Woonsocket, 25-16, 25-17, 25-16
Sioux Falls Lutheran def. Ethan, 27-25, 22-25, 25-21, 18-25, 15-13
Region 4B
Freeman def. Menno, 25-23, 22-25, 20-25, 25-15, 15-12
Gayville-Volin High School def. Alcester-Hudson, 25-19, 25-16, 25-10
Parkston def. Irene-Wakonda, 25-18, 25-15, 25-16
Tripp-Delmont-Armour def. Centerville, 25-20, 21-25, 25-23, 22-25, 18-16
Region 5B
Avon def. Andes Central/Dakota Christian, 20-25, 25-20, 25-15, 25-17
Burke def. Kimball-White Lake, 25-12, 25-19, 25-8
Corsica/Stickney def. Lyman, 25-15, 25-23, 13-25, 25-20
Gregory def. Lower Brule, 25-12, 25-11, 25-5
Region 6B
Faulkton def. North Central, 25-23, 25-17, 22-25, 25-14
Herreid-Selby def. Tiospaye Topa, 25-7, 25-16, 25-11
Ipswich def. Sully Buttes, 25-9, 21-25, 25-18, 25-11
Potter County def. Highmore-Harrold, 25-20, 25-16, 25-18
Region 7B
Bennett County def. Philip, 25-22, 25-14, 25-21
Edgemont def. White River, 25-14, 25-16, 25-5
Jones County def. Wall, 25-17, 25-21, 25-17
Kadoka def. Crazy Horse, 25-2, 25-3, 25-1
Region 8B
Faith def. McLaughlin, 25-6, 25-6, 25-5
Harding County def. McIntosh High School, 25-9, 25-8, 25-20
Lemmon High School def. Dupree, 25-12, 25-15, 25-18
Timber Lake def. Newell, 26-24, 25-9, 23-25, 25-20