Alcester-Hudson def. Freeman, 25-15, 25-12, 24-26, 25-21
Arlington def. De Smet, 25-15, 25-20, 25-21
Baltic def. Deubrook Area, 25-20, 25-16, 25-13
Bon Homme def. Avon, 25-20, 25-20, 25-12
Brookings def. Pierre, 25-18, 19-25, 27-25, 26-24
Canton def. Lennox, 25-19, 25-27, 25-18, 25-13
Castlewood def. Flandreau, 28-26, 25-23, 25-20
Chester def. Bridgewater-Emery, 25-18, 25-14, 25-9
Colman-Egan def. Dell Rapids St. Mary, 25-21, 25-12, 25-19
Corsica-Stickney def. Colome, 25-11, 25-19, 25-13
Crow Creek def. Todd County, 25-22, 25-23, 25-20
Dell Rapids def. Beresford, 25-17, 25-7, 25-12
Elk Point-Jefferson def. Vermillion, 25-17, 25-11, 25-10
Elkton-Lake Benton def. Sioux Valley, 25-12, 22-25, 25-20, 25-15
Faulkton Area def. Wolsey-Wessington, 21-25, 25-23, 25-23, 25-20
Florence-Henry def. Waubay-Summit, 25-11, 25-7, 25-13
Harrisburg def. Sioux Falls O’Gorman, 25-16, 25-19, 25-19
Hitchcock-Tulare def. Wessington Springs, 25-14, 25-11, 25-13
Huron def. Mitchell, 25-22, 10-25, 25-12, 25-17
Irene-Wakonda def. Howard, 25-18, 25-18, 25-21
Lemmon def. Cheyenne-Eagle Butte, 25-9, 25-8, 25-5
Leola-Frederick Area def. Potter County, 20-25, 25-12, 25-16, 25-13
Madison def. Garretson, 25-22, 25-16, 25-21
Milbank def. Webster Area, 25-15, 25-23, 25-23
Miller def. Highmore-Harrold, 25-2, 25-13, 25-21
Mount Vernon/Plankinton def. Sanborn Central/Woonsocket, 25-15, 25-13, 25-16
Oldham-Ramona-Rutland def. Iroquois/Lake Preston, 25-23, 21-25, 26-24, 25-23
Philip def. New Underwood, 25-16, 25-13, 25-10
Platte-Geddes def. Ethan, 25-19, 19-25, 25-15, 25-21
Rapid City Christian def. St. Thomas More, 25-15, 25-15, 25-10
Redfield def. Tiospa Zina, 25-9, 25-23, 25-10
Sioux Falls Roosevelt def. Sioux Falls Lincoln, 25-22, 25-10, 25-9
Sioux Falls Washington def. Sioux Falls Jefferson, 16-25, 25-22, 25-19, 18-25, 15-11
Sisseton def. Great Plains Lutheran, 25-22, 25-16, 25-21
Spearfish def. Rapid City Central, 25-8, 25-15, 25-10
Stanley County def. Jones County, 15-25, 25-10, 25-19, 23-25, 15-12
Wakpala def. Takini, 25-16, 25-16, 25-15
Wall def. Timber Lake, 25-11, 16-25, 26-28, 25-14, 15-11
Warner def. Langford Area, 25-9, 25-11, 25-16
Watertown def. Aberdeen Central, 25-16, 25-12, 25-17
Yankton def. Tea Area, 25-20, 25-12, 25-13