Aberdeen Central High School def. Huron, 25-19, 25-17, 25-19
Aberdeen Christian def. Waubay/Summit, 25-23, 25-15, 25-15
Baltic def. Elkton-Lake Benton, 25-23, 25-18, 25-9
Bison def. Tiospaye Topa, 25-14, 25-18, 28-26
Bridgewater-Emery def. Hanson, 25-15, 20-25, 25-17, 25-19
Britton-Hecla def. Waverly-South Shore, 25-12, 25-20, 25-13
Brookings def. Mitchell, 25-19, 21-25, 25-22, 25-21
Burke def. Platte-Geddes, 25-17, 25-15, 25-17
Canton def. Tri-Valley, 27-25, 25-17, 25-11
Chester def. Parker, 25-13, 25-9, 25-8
Colman-Egan def. Canistota, 25-13, 25-7, 25-13
Corsica/Stickney def. Kimball-White Lake, 26-24, 22-25, 25-21, 18-25, 15-10
Crawford, Neb. def. Edgemont, 25-12, 15-25, 19-25, 25-23, 15-13
Dakota Valley def. West Central, 25-16, 25-12, 25-6
DeSmet def. James Valley Christian, 25-4, 25-8, 25-14
Dell Rapids St Mary def. Howard, 25-20, 27-25, 25-15
Dell Rapids def. Garretson, 25-20, 25-20, 25-12
Deubrook def. Deuel, 25-13, 25-14, 25-7
Faulkton def. Highmore-Harrold, 25-14, 25-16, 25-19
Flandreau def. McCook Central-Montrose, 25-19, 25-19, 25-19
Freeman Academy-Marion def. Oldham-Ramona-Rutland, 25-16, 26-24, 25-15
Freeman def. Scotland, 25-20, 19-25, 25-17, 19-25, 15-10
Great Plains Lutheran def. Castlewood, 25-6, 25-20, 25-16
Hamlin def. Estelline-Hendricks, 25-21, 25-19, 25-11
Harrisburg def. Sioux Falls Washington, 25-8, 25-17, 19-25, 25-12
Herreid-Selby def. Stanley County, 25-19, 25-22, 25-21
Hill City def. Lead-Deadwood, 25-12, 25-8, 25-15
Hitchcock-Tulare def. Iroquois-Lake Preston, 25-9, 25-11, 25-6
Langford def. Tiospa Zina
Lennox def. Mt. Vernon/Plankinton, 25-21, 25-18, 25-18
Lower Brule def. Sunshine Bible Academy, 26-28, 25-18, 26-24, 17-25, 15-10
Madison def. Arlington, 25-15, 25-13, 30-28
Miller def. Redfield, 25-20, 25-22, 25-13
North Central def. Sully Buttes, 26-24, 25-9, 25-10
Northwestern def. Leola-Frederick High School, 25-3, 25-4, 25-14
Pine Ridge def. St. Francis Indian, 25-18, 25-13, 25-23
Potter County def. Faith, 25-21, 25-22, 25-20
Rapid City Christian def. Belle Fourche, 25-18, 25-21, 25-22
Sioux Falls Christian def. Elk Point-Jefferson, 25-16, 25-15, 25-16
Sioux Falls Jefferson def. Sioux Falls O’Gorman, 25-22, 21-25, 25-19, 18-25, 15-8
Sioux Falls Lincoln def. Yankton, 25-8, 22-25, 25-22, 23-25, 15-12
Sioux Falls Lutheran def. Centerville, 25-20, 28-26, 18-25, 23-25, 15-11
Sioux Falls Roosevelt def. Brandon Valley, 25-22, 25-22, 25-20
Sioux Valley def. Milbank, 25-11, 25-18, 22-25, 25-14
Sisseton def. Florence-Henry, 25-14, 26-24, 25-20
Spearfish def. Sturgis Brown High School, 25-17, 25-10, 25-17
St Thomas More def. Hot Springs, 25-19, 25-19, 25-16
Timber Lake def. McLaughlin, 25-10, 25-11, 25-11
Tripp-Delmont-Armour def. Andes Central/Dakota Christian, 25-17, 25-16, 21-25, 24-26, 15-7
Viborg-Hurley def. Menno, 25-9, 25-23, 25-20
Wagner def. Bon Homme, 27-25, 25-16, 19-25, 25-13
Wall def. Lyman, 25-16, 25-16, 25-22
Warner def. Groton, 23-25, 25-15, 25-19, 25-12
Watertown def. Tea, 25-10, 25-9, 25-11
Webster def. Wilmot, 23-25, 25-12, 25-22, 28-26
White River def. Philip, 25-23, 25-19, 20-25, 25-14
Wolsey-Wessington def. Sanborn Central-Woonsocket, 25-18, 25-19, 18-25, 25-16
