Aberdeen Roncalli def. Miller, 21-25, 25-17, 25-16, 25-18

Alcester-Hudson def. Scotland, 25-19, 18-25, 25-13, 25-19

Avon def. Parkston, 26-24, 22-25, 16-25, 29-27, 15-2

Baltic def. Beresford, 25-14, 25-15, 25-19

Bon Homme def. Andes Central/Dakota Christian, 25-21, 25-15, 25-27, 25-12

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Bridgewater-Emery def. Howard, 25-19, 25-15, 25-22

Chamberlain def. Stanley County, 25-11, 22-25, 25-13, 25-13

Chester Area def. McCook Central/Montrose, 25-20, 25-13, 25-27, 25-15

Colman-Egan def. Arlington, 25-23, 25-17, 25-18

Corsica-Stickney def. Freeman Academy/Marion, 25-9, 25-2, 26-24

Dakota Valley def. Tri-Valley, 26-24, 25-21, 25-16

Dell Rapids St. Mary def. Oldham-Ramona/Rutland, 25-23 25-13, 20-25, 25-14

Elkton-Lake Benton def. Castlewood, 25-7, 25-9, 25-23

Faulkton Area def. Sully Buttes, 25-16, 25-7, 25-12

Florence-Henry def. Flandreau, 25-12, 25-22, 17-25, 25-13

Freeman def. Irene-Wakonda, 25-13, 25-20, 25-20

Garretson def. Viborg-Hurley, 25-10, 25-10, 25-9

Hamlin def. Great Plains Lutheran, 25-13, 25-17, 25-20

Huron def. Brookings, 25-20, 25-23, 25-12

Ipswich def. Groton Area, 25-16, 24-26, 25-16, 25-16

Langford Area def. Leola/Frederick Area, 17-25, 25-18, 25-17, 25-20

Lennox def. Vermillion, 22-25, 26-24, 22-25, 25-22, 15-13

Madison def. Canton, 25-8, 25-7, 25-16

Mitchell Christian def. Sunshine Bible Academy, 25-21, 25-23, 25-15

Parker def. Sioux Valley, 25-14, 27-25, 23-25, 25-17

Tripp-Delmont/Armour def. Menno, 25-21, 25-20, 25-15

Sanborn Central/Woonsocket def. Hanson, 25-19, 25-22, 25-12

Sioux Falls Washington def. Sioux Falls Roosevelt, 25-20, 25-8, 25-15

St. Thomas More def. Sturgis, 25-16, 25-16, 25-18

Warner def. Webster Area, 25-18, 25-18, 25-13

Watertown def. Harrisburg, 25-21, 25-14, 25-23

Wessington Springs def. Iroquois/Doland, 25-18, 16-24, 15-25, 25-21

White River def. Lyman, 25-14, 25-5, 25-9

Winner def. Burke, 25-12, 25-19, 25-16