Aberdeen Christian def. Langford Area, 25-14, 25-8, 25-14

Aberdeen Roncalli def. Waubay-Summit, 25-16, 25-20, 25-18

Avon def. Tripp-Delmont/Armour, 25-19, 25-16, 25-18

Bridgewater-Emery def. Menno, 25-12, 25-12, 25-14

Britton-Hecla def. Wyndmere-Lidgerwood, N.D., 25-23, 25-23, 22-25, 27-22

Burke def. Chamberlain, 25-19, 25-19, 25-18

Castlewood def. Waverly-South Shore, 25-10, 25-8, 25-6

Cheyenne-Eagle Butte def. McLaughlin, 25-12, 25-14, 25-16

Colman-Egan def. Estelline-Hendricks, 25-18, 25-12, 25-11

Colome def. Lyman, 25-18, 26-24, 25-19

Dakota Valley def. Beresford, 25-12, 25-8, 25-6

Deubrook Area def. Flandreau, 25-14, 25-21, 20-25, 25-19

De Smet def. Deuel, 25-23, 18-25, 25-17, 25-11

Ethan def. Mount Vernon/Plankinton, 21-25, 25-20, 25-22, 25-19

Faulkton Area def. Hitchcock-Tulare, 25-16, 25-19, 25-15

Florence-Henry def. Wilmot, 25-11, 25-10, 25-8

Gayville-Volin def. Scotland, 26-24, 25-18, 25-19

Hankinson, N.D., def. Sisseton, 25-11, 25-13, 25-16

Highmore-Harrold def. Sunshine Bible Academy, 25-19, 25-16, 25-14

Hill City def. Douglas, 25-11, 25-5, 25-14

Hot Springs def. Red Cloud, 25-14, 25-15, 25-17

Howard def. Hanson, 25-14, 25-21, 25-17

Huron def. Watertown, 27-25, 25-19, 23-25, 25-19

Ipswich def. Sully Buttes, 25-17, 21-25, 25-16, 25-17

Lemmon def. McIntosh, 16-25, 14-25, 25-9, 25-13, 15-7

McCook Central/Montrose def. Sioux Valley, 26-24, 25-18, 25-20

Milbank def. Ortonville, Minn., 25-17, 25-14, 21-25, 24-26, 15-7

Mobridge-Pollock def. North Central, 25-14, 25-7, 25-19

Philip def. Jones County, 25-8, 16-25, 25-16, 25-23

Pierre def. Mitchell, 25-14, 25-17, 18-25, 25-27, 15-8

Platte-Geddes def. Wagner, 11-25, 25-20, 22-25, 25-20, 15-9

Potter County def. Timber Lake, 25-14, 25-19, 25-19

Sanborn Central/Woonsocket def. Corsica-Stickney, 25-23, 15-25, 25-14, 17-25, 15-6

Sioux Falls Christian def. Madison, 25-8, 25-19, 24-26, 25-18

Sioux Falls Lincoln def. Brandon Valley, 25-19, 25-22, 25-20

Sioux Falls Roosevelt def. Yankton, 16-25, 25-15, 25-14, 25-21

Sioux Falls Washington def. Sioux Falls Jefferson, 25-19, 25-15, 25-21

Sturgis def. Custer, 25-16, 27-25, 25-22

Vermillion def. Bon Homme, 25-22, 33-31, 25-17

Viborg-Hurley def. Canistota, 25-23, 25-27, 18-25, 25-10, 15-13

Warner def. Miller, 25-20, 25-10, 25-17

Webster Area def. Groton Area, 25-22, 25-15, 22-25, 25-21

Wessington Springs def. Mitchell Christian, 25-8, 25-14, 25-13