Aberdeen Roncalli def. Tiospa Zina, 25-8, 25-14, 25-16.

Alcester-Hudson def. Gayville-Volin, 26-24, 27-25, 25-18 

Avon def. Andes Central/Dakota Christian, 25-7, 25-11, 25-20

Baltic def. Garretson, 25-8, 25-18, 26-24, 25-17, 25-7, 25-11, 25-20

Burke def. Kimball/White Lake, 20-25, 25-10, 25-12, 25-21 

Canistota def. Scotland, 25-12, 25-23, 25-18

Castlewood def. Deubrook Area, 25-17, 25-23, 25-10, 25-18

Centerville def. Corsica-Stickney, 25-19, 25-15, 25-14

Custer def. Newell, 25-19, 17-25, 25-18, 25-18

Dakota Valley def. Elk Point-Jefferson, 25-17, 25-15, 19-25, 25-20

Elkton-Lake Benton def. Oldham-Ramona Rutland, 25-20, 25-11, 25-11.

Ethan def. Sanborn Central-Woonsocket, 25-13, 25-7, 25-11

Estelline/Hendricks def. Wilmot, 25-9, 25-10, 25-8

Faulkton Area def. North Central 25-22, 25-11, 25-14

Flandreau def. Hamlin, 25-20, 25-17, 25-21 

Freeman def. Howard, 25-16, 25-27, 25-20, 21-25, 15-13

Great Plains Lutheran def. Tri-State, ND, 25-12, 25-21, 25-14

Gregory def. Lyman, 25-23, 25-20, 25-23, 25-17

Groton Area def. Sisseton, 25-22, 25-18, 25-20

Harrisburg def. Tea Area, 25-18, 25-19, 25-9 

Herreid-Selby Area def. McLaughlin, 25-11, 25-14, 25-15 

Huron def. Aberdeen Central, 25-12, 25-23, 22-25, 16-25, 15-10 

Ipswich def. Waubay-Summit, 26-24, 25-19, 25-22

Kadoka Area def. Philip, 25-21, 25-18, 25-21 

Lennox def. Tri-Valley, 25-21, 25-17, 25-20

Madison def. West Central, 25-13, 25-9, 25-23

McCook Central/Montrose def. Parker, 27-29, 25-20, 24-26, 25-19, 15-6

Menno def. Freeman Academy/Marion, 25-16, 25-13, 25-15

Milbank def. Clark-Willow Lake, 21-25, 25-19, 25-22, 25-19

Miller def. Sully Buttes, 25-18, 25-8, 25-26

Mobridge-Pollock def. Potter County, 25-13, 25-23, 25-23

Mount Vernon-Plankinton def. Bon Homme, 25-19, 17-25, 26-24, 25-22

Northwestern def. Langford Area, 25-16, 25-16, 25-19

Pierre def. Douglas, 25-18, 25-14, 25-15

Platte-Geddes def. Colome, 25-17, 25-13, 25-13

Redfield def. Deuel, 25-20, 25-20, 25-13

Sioux Falls Christian def. Dell Rapids, 22-25, 25-17, 25-20, 25-22

Sioux Falls Lincoln def. Sioux Falls Roosevelt, 25-19, 25-10, 25-21

Sioux Falls Washington def. Mitchell, 25-11, 25-21, 25-13 

Sioux Valley def. Beresford, 25-10, 25-15, 25-19 

Timber Lake def. Bison, 25-15, 25-15, 25-17 

Wagner def. Chamberlain, 25-11, 25-7, 25-20

Wall def. Lead-Deadwood, 25-15, 25-16, 25-10 

Warner def. Leola-Frederick Area, 25-14, 25-12, 25-11

Watertown def. Brookings, 22-25, 25-22, 25-14, 25-21

Waverly-South Shore def. Flandreau Indian, 25-9, 25-14, 25-13 

Webster Area def. Britton-Hecla, 25-17, 25-17, 25-14