Aberdeen Roncalli def. Mobridge-Pollock, 25-8, 25-15, 25-19
Alcester-Hudson def. Irene-Wakonda, 26-24, 21-25, 25-11, 25-18
Baker, Mont. def. Harding County, 25-15, 22-25, 23-25, 25-21, 15-3
Brookings def. Yankton, 30-28, 18-25, 25-17, 19-25, 15-12
Burke/South Central def. Andes Central/Dakota Christian, 23-25, 25-13, 25-16, 25-14
Chester def. West Central, 25-23, 22-25, 25-23, 25-23
Colman-Egan def. Bridgewater-Emery, 16-25, 25-21, 23-25, 25-23, 15-10
Dakota Valley def. Lennox, 25-16, 25-8, 25-10
Deubrook def. Dell Rapids, 25-17, 24-26, 21-25, 26-24, 15-7
Edmunds Central def. Wakpala, 25-8, 25-3, 25-8
Elkton-Lake Benton def. Waverly-South Shore, 25-7, 25-18, 19-25, 25-22
Faith def. Dupree, 25-15, 25-9, 25-9
Florence/Henry def. Estelline, 25-19, 25-10, 25-17
Freeman Academy/Marion def. Viborg-Hurley, 25-16, 25-18, 28-26
Gregory def. Colome, 25-19, 18-25, 20-25, 25-21, 15-13
Groton Area def. Hitchcock-Tulare, 25-17, 25-19, 20-25, 25-17
Hamlin def. DeSmet, 25-19, 25-13, 25-20
Hanson def. Menno, 25-20, 25-14, 25-13
Harrisburg def. Watertown, 25-19, 20-25, 25-19, 25-18
Hendricks, Minn. def. Dell Rapids St. Mary, 25-15, 17-25, 22-25, 25-17, 15-6
Herreid/Selby Area def. Faulkton, 25-15, 16-25, 25-21, 20-25, 15-13
Huron def. Pierre, 27-25, 25-8, 12-25, 25-11
James Valley Christian def. Sanborn Central/Woonsocket, 26-24, 25-13, 25-18
Langford def. Webster, 25-12, 32-30, 19-25, 22-25, 15-11
Lead-Deadwood def. Red Cloud, 25-22, 25-21, 25-21
Lemmon def. Grant County, N.D., 25-14, 25-18, 21-25, 24-26, 15-10
Lisbon, N.D. def. Britton-Hecla, 25-12, 25-16, 25-14
Madison def. Milbank Area, 25-14, 25-14, 26-24
McCook Central/Montrose def. Garretson, 25-19, 25-14, 25-11
McIntosh def. Bison, 16-25, 25-15, 25-17, 25-6
Miller def. Platte-Geddes, 25-22, 25-15, 25-11
Mitchell Christian def. Corsica/Stickney, 25-17, 25-22, 17-25, 25-10
Parkston def. Wagner, 25-20, 25-23, 16-25, 25-17
Ponca, Neb. def. Vermillion, 25-16, 25-21, 25-17
Potter County def. Cheyenne-Eagle Butte, 25-12, 30-28, 25-7
Rapid City Central def. Sturgis Brown, 14-25, 25-8, 25-23, 25-19
Rapid City Christian def. Edgemont, 25-22, 25-11, 25-23
Rapid City Stevens def. Douglas, 25-13, 25-6, 25-21
Scotland def. Bon Homme, 18-25, 25-18, 25-9, 18-25, 16-14
Sioux Falls Christian def. Tri-Valley, 25-7, 25-9, 25-7
Sioux Falls O’Gorman def. Sioux Falls Roosevelt, 25-20, 25-18, 25-15
Sioux Valley def. Arlington, 25-23, 25-15, 25-20
St. Francis Indian def. Crazy Horse, 25-16, 25-18, 25-13
Standing Rock, N.D. def. McLaughlin, 19-25, 13-25, 25-18, 25-15, 16-14
Sully Buttes def. Stanley County, 25-16, 25-9, 25-9
Tea Area def. Beresford, 27-25, 25-16, 15-25, 25-22
Warner def. Redfield/Doland, 25-12, 25-18, 25-17
Wessington Springs def. Sunshine Bible Academy, 25-18, 25-22, 22-25, 25-13
Wilmot def. Waubay/Summit, 25-6, 25-22, 25-16
Winner def. Chamberlain, 25-15, 25-11, 25-17
Wolsey-Wessington def. Highmore-Harrold, 25-21, 25-22, 27-25
AP-WF-10-11-17 0353GMT