Aberdeen Central def. Huron, 26-24, 25-15, 25-20
Aberdeen Christian def. Waubay/Summit, 25-17, 25-14, 25-15
Baltic def. Elkton-Lake Benton, 25-21, 18-25, 25-18, 21-25, 15-13
Brandon Valley def. Sioux Falls Roosevelt, 25-18, 25-22, 26-24
Bridgewater-Emery def. Hanson, 25-10, 21-25, 24-26, 25-13, 15-5
Britton-Hecla def. Waverly-South Shore, 25-20, 25-19, 25-18
Brookings def. Mitchell, 24-26, 25-13, 25-22, 18-25, 15-11
Burke def. Platte-Geddes, 17-25, 25-22, 25-20, 16-25, 15-13
Canton def. Tri-Valley, 21-25, 25-17, 25-16, 25-21
Castlewood def. Great Plains Lutheran, 25-15, 25-13, 25-18
Chester def. Parker, 25-8, 25-14, 25-7
Colman-Egan def. Canistota, 22-25, 25-21, 25-21, 25-21
Dakota Valley def. West Central, 25-16, 25-19, 25-19
Dell Rapids def. Garretson, 25-18, 24-26, 25-14, 27-25
Dupree def. Tiospaye Topa, 25-11, 25-10, 25-9
Elk Point-Jefferson def. Beresford, 25-12, 25-15, 25-11
Estelline/Hendricks def. Hamlin, 25-23, 25-10, 25-21
Faulkton def. Highmore-Harrold, 25-22, 18-25, 25-9, 25-20
Flandreau def. McCook Central/Montrose, 25-19, 25-19, 25-20
Freeman def. Scotland, 25-13, 32-30, 25-14
Gayville-Volin High School def. Marty Indian, 25-4, 25-13, 25-6
Harding County def. Heart River, N.D., 25-23, 25-23, 25-13
Harrisburg def. Sioux Falls Washington, 17-25, 25-22, 25-20, 25-21
Herreid/Selby Area def. McIntosh, 25-7, 25-16, 25-9
Hettinger/Scranton, N.D. def. Bison, 25-17, 25-16, 25-14
Hitchcock-Tulare def. Iroquois/ Lake Preston Co-op, 25-15, 25-18, 25-18
Howard def. Dell Rapids St. Mary, 23-25, 15-25, 25-23, 25-21, 18-16
Kimball/White Lake def. Corsica/Stickney, 25-18, 25-17, 25-21
Little Wound def. Wakpala, 25-18, 25-15, 21-25, 25-17
Lower Brule def. Sunshine Bible Academy, 9-25, 25-23, 25-19, 23-25, 15-13
Madison def. Arlington, 22-25, 25-19, 25-18, 25-18
Menno def. Viborg-Hurley, 25-18, 25-16, 25-10
Miller def. Redfield, 25-10, 25-15, 25-20
Mobridge-Pollock def. Lemmon High School, 25-13, 25-17, 25-22
Mt. Vernon/Plankinton def. Lennox, 25-16, 25-19, 25-16
North Central Co-Op def. Sully Buttes, 16-25, 25-23, 25-17, 25-16
Northwestern def. Leola-Frederick High School, 25-14, 25-15, 25-8
Oldham-Ramona/Rutland def. Freeman Academy/Marion, 25-19, 25-14, 25-11
Parkston def. Winner, 25-21, 25-23, 25-19
Philip def. White River, 25-14, 25-16, 25-22
Rapid City Christian def. Belle Fourche, 25-10, 25-20, 20-25, 25-19
Sioux Falls Jefferson def. Sioux Falls O’Gorman, 26-24, 25-19, 25-16
Sioux Falls Lincoln def. Yankton, 25-13, 25-13, 25-18
Sioux Falls Lutheran def. Centerville, 25-16, 25-12, 25-17
Sioux Valley def. Milbank, 19-25, 19-25, 25-19, 25-17, 15-11
Sisseton def. Florence/Henry, 8-25, 25-18, 24-26, 26-24, 15-9
Spearfish def. Sturgis Brown, 25-10, 25-10, 25-13
St. Thomas More def. Hot Springs, 30-28, 23-25, 25-22, 28-26
Tea Area def. Vermillion, 25-19, 25-11, 26-24
Wagner def. Bon Homme, 25-20, 24-26, 25-17, 25-18
Wall def. Lyman, 25-10, 15-25, 23-25, 30-28, 15-9
Warner def. Groton Area, 25-12, 25-17, 25-12
Webster def. Wilmot, 25-18, 25-18, 25-19
Wolsey-Wessington def. Sanborn Central/Woonsocket, 25-11, 25-14, 25-16
