Andes Central def. South Central, 25-21, 23-25, 26-24, 25-14

Belle Fourche def. Spearfish, 25-21, 25-19, 25-19

Beresford def. Tea Area, 25-15, 26-24, 14-25, 26-24

Bon Homme def. Scotland, 25-12, 22-25, 25-18, 25-15

Britton-Hecla def. Wilmot, 25-11, 25-20, 25-27, 25-23

Brookings def. Pierre, 25-17, 25-19, 25-19

Chester def. West Central, 25-10, 25-12, 25-7

Clark/Willow Lake def. Flandreau, 25-16, 25-20, 25-11

Colman-Egan def. Baltic, 29-27, 14-25, 25-15, 22-25, 15-12

Dakota Christian def. Plankinton, 25-23, 25-18, 23-25, 20-25, 15-13

Dakota Valley def. Lennox, 25-11, 25-12, 25-19

Edgemont def. Rapid City Christian, 25-13, 25-11, 25-12

Estelline def. Grant-Deuel, 25-20, 25-17, 25-22

Ethan def. Kimball, 25-20, 25-23, 25-15

Eureka/Bowdle def. Strasburg-Zeeland, N.D., 25-10, 25-18, 27-29, 25-22

Faith def. Dupree, 25-10, 23-25, 26-24, 19-25, 15-9

Gettysburg def. Cheyenne-Eagle Butte, 25-22, 23-25, 25-20, 25-9

Great Plains Lutheran def. Florence/Henry, 25-23, 25-17, 25-15

Gregory def. Colome, 25-27, 25-23, 25-18, 25-17

Hamlin def. DeSmet, 26-24, 25-20, 25-23