Region 5A

McCook Central/Montrose def. Parker/Marion, 22-25, 19-25, 25-8, 25-22, 15-13

Mount Vernon/Plankinton def. Bon Homme, 25-23, 25-22, 25-23

Region 6A

Chamberlain def. Stanley County, 25-22, 25-18, 18-25, 25-14

Mobridge-Pollock def. Cheyenne-Eagle Butte, 25-16, 25-11, 25-11

Region 7A

Little Wound def. Mahpiya Luta 25-21, 25-20, 25-20

Pine Ridge def. St. Francis Indian, 25-19, 25-21, 25-15

Region 8A

Custer def. Belle Fourche, 25-19, 25-15, 25-18

Hot Springs def. Lead-Deadwood, 25-10, 25-19, 25-12

Rapid City Christian def. Hill City, 25-16, 25-23, 25-16

Region 3B

Bridgewater-Emery def. Sanborn Central/Woonsocket, 25-18, 25-21, 23-25, 25-18

Chester def. Ethan, 25-8, 25-3, 25-13

Colman-Egan def. Canistota, 25-4, 25-5, 25-5

Dell Rapids St. Mary’s def. Hanson, 25-11, 25-12, 25-12

Region 5B

Avon def. Gregory, 25-9, 25-9, 25-14

Burke def. Marty, 25-13, 25-10, 25-13

Corsica-Stickney def. Crow Creek, 25-6, 25-6, 25-7

Lyman def. Tripp-Delmont/Armour, 23-25, 25-13, 25-13, 25-21

Region 6B

Faulkton Area def. Gettysburg, 25-13, 25-21, 25-19

Herreid/Selby Area def. Ipswich, 25-23, 25-15, 25-15

Highmore-Harrold def. North Central, 25-15, 25-18, 21-25, 25-18

Miller def. Sunshine Bible Academy, 25-11, 25-14, 25-19

Region 7B

Bennett County def. New Underwood, 25-10, 25-19, 25-16

Kadoka Area def. Philip, 25-21, 25-20, 25-20

Wall def. Jones County, 25-15, 25-16, 25-18

White River def. Edgemont, 20-25, 19-25, 25-23, 25-14, 15-11