Alcester-Hudson def. Centerville, 25-23, 25-16, 25-14

Bridgewater-Emery def. Freeman, 18-25, 25-18, 25-22, 25-18

Chamberlain def. Todd County, 25-17, 25-17, 25-16

Chester Area def. Elkton-Lake Benton, 24-26, 25-12, 25-16, 25-12

Clark/Willow Lake def. Florence/Henry, 25-18, 25-12, 25-20

Colman-Egan def. Deubrook Area, 25-20, 25-18, 17-25, 25-8

Crow Creek def. Sunshine Bible Academy, 16-25, 25-20, 25-7, 25-18

Dell Rapids def. Canton, 25-22, 25-18, 25-13

Dell Rapids St. Mary def. Flandreau Indian, 25-2, 25-14, 25-8

Dupree def. Wall, 25-14, 25-18, 25-23

Elk Point-Jefferson def. Lennox, 25-20, 25-23, 25-20

Garretson def. Flandreau, 18-25, 25-11, 25-14, 25-14

Groton Area def. Mobridge-Pollock, 25-12, 25-16, 25-10

Hanson def. Canistota, 25-22, 23-25, 25-21, 25-17

Harrisburg def. Brandon Valley, 20-25, 25-20, 25-16, 25-17

Howard def. Menno, 25-22, 25-22, 25-16

Iroquois/Doland def. Oldham-Ramona/Rutland, 25-18, 25-18, 25-17

Langford Area def. North Central, 25-23, 25-5, 25-21

Mount Vernon/Plankinton def. Kimball/White Lake, 25-14, 25-18, 23-25, 25-17

Northwestern def. Miller, 23-25, 25-23, 25-14, 25-16

Oldham-Ramona/Rutland def. Iroquois/Doland, 25-18, 25-18, 25-17

Parkston def. Corsica-Stickney, 25-16, 25-17, 17-25, 25-20

Pierre def. Yankton, 15-25, 25-14, 25-18, 25-20

Pine Ridge def. Little Wound, 25-12, 25-13, 25-20

Rapid City Christian def. Philip, 29-27, 25-19, 24-26, 25-18

Rapid CIty Stevens def. Sturgis, 25-17, 25-17, 25-22

Sanborn Central/Woonsocket def. Wessington Springs, 23-25, 25-19, 23-25, 25-18, 15-12

Scotland def. Andes Central/Dakota Christian, 19-25, 25-9, 25-16, 25-16

Sioux Falls Christian def. McCook Central/Montrose, 25-20, 25-14, 20-25, 25-20

Sioux Falls Roosevelt def. Brookings, 25-21, 25-11, 25-18

Sioux Falls Washington def. Sioux Falls Lincoln, 25-14, 17-25, 25-17, 25-21

Sioux Valley def. De Smet, 25-15, 13-25, 25-11, 25-19

Takini def. Crazy Horse, 7-25, 25-18, 25-14, 25-12

Tiospa Zina def. Deuel, 25-23, 25-11, 25-21

Tripp-Delmont/Armour def. Bon Homme, 25-15, 25-12 and 25-21

Tri-Valley def. Beresford, 25-23, 15-25, 12-25, 25-22, 15-13

Wagner def. Avon, 25-27, 30-28, 26-24, 25-14

Warner def. Ipswich, 22-25, 32-30, 25-21, 25-16

Watertown def. Aberdeen Central, 20-25, 18-25, 25-10, 25-20, 15-8

Winner def. Lyman, 25-11, 25-11, 25-13

Wolsey-Wessington def. Mitchell Christian, 25-9, 25-12, 25-4