Aberdeen Roncalli def. Britton-Hecla, 25-4, 25-6, 25-7
Arlington def. Deubrook Area, 25-15, 25-11, 20-25, 25-19
Avon def. Centerville, 25-10, 25-11, 25-23
Brookings def. Madison, 25-23, 25-27, 25-21, 23-25, 15-11
Burke def. Gregory, 25-15, 25-16, 25-22
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Colome def. White River, 25-13, 16-25, 25-23, 25-22
Elk Point-Jefferson def. Irene-Wakonda, 25-14, 18-25, 25-22, 25-17
Elkton-Lake Benton def. Florence/Henry, 25-11, 25-17, 25-14
Ethan def. Hanson, 25-12, 25-10, 25-12
Garretson def. Tea Area, 25-15, 25-18, 25-14
Groton Area def. Milbank, 25-20, 26-24, 19-25, 25-22
Hitchcock-Tulare def. Ipswich, 25-13, 26-24, 26-24
Lyman def. Philip, 25-13, 25-11, 25-12
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Menno def. Mitchell Christian, 22-25, 25-18, 25-14, 25-22
Mobridge-Pollock def. Sully Buttes, 25-12, 25-17, 25-15
Mount Vernon/Plankinton def. West Central, 25-22, 17-25, 26-24, 21-25, 17-15
North Central def. Lower Brule, 25-8, 25-10, 25-8
Platte-Geddes def. Chamberlain, 25-11, 25-15, 25-17
Redfield def. Clark/Willow Lake, 25-18, 25-12, 17-25, 25-13
Sioux Falls Christian def. Harrisburg, 25-13, 25-10, 25-18
Sturgis def. Lead-Deadwood, 23-25, 25-10, 25-10, 25-9
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Wagner def. Andes Central/Dakota Christian, 25-7, 25-17, 25-15
Webster Area def. Tiospa Zina, 25-18, 25-21, 19-25, 25-22
Wilmot def. Great Plains Lutheran, 25-14, 25-19, 25-8
Winner def. Corsica-Stickney, 25-23, 25-17, 25-22
Wolsey-Wessington def. Wessington Springs, 25-15, 25-15, 25-8