Aberdeen Roncalli def. Ipswich, 25-16, 25-17, 25-9
Arlington def. Elkton-Lake Benton, 25-10, 25-17, 25-19
Avon def. Corsica/Stickney, 21-25, 25-23, 25-21, 25-19
Baltic def. Howard, 25-14, 26-24, 25-15
Beresford def. Vermillion, 25-23, 25-21, 21-25, 25-23
Bowman County, N.D. def. Lemmon, 25-27, 23-25, 25-17, 25-22, 15-11
Boyd County, Neb. def. Gregory, 18-25, 25-9, 25-14, 25-21
Castlewood def. Colman-Egan, 25-18, 20-25, 18-25, 25-23, 15-10
Chester def. Sioux Valley, 25-12, 25-8, 25-4
Clark/Willow Lake def. Tiospa Zina Tribal, 25-11, 25-13, 25-21
Colome def. Jones County, 23-25, 25-17, 25-7, 25-22
Dell Rapids St. Mary def. Lake Preston, 25-16, 25-16, 25-15
DeSmet def. Estelline/Hendricks, 22-25, 25-15, 22-25, 25-22, 15-13
Deubrook def. Oldham-Ramona/Rutland, 25-10, 25-9, 25-9
Faith def. Timber Lake, 25-21, 25-17, 25-15
Faulkton def. Edmunds Central, 25-7, 25-16, 25-27, 25-11
Freeman def. Hanson, 25-20, 15-25, 26-24, 25-17
Great Plains Lutheran def. Waubay/Summit, 25-19, 25-12, 25-20
Herreid/Selby Area def. Sully Buttes, 25-22, 25-20, 25-22
Hill City def. Custer, 25-15, 25-15, 25-20
Hitchcock-Tulare def. Sanborn Central/Woonsocket, 25-18, 15-25, 25-14, 25-21
Irene-Wakonda def. Viborg-Hurley, 25-21, 25-21, 25-16
Kimball/White Lake def. Platte-Geddes, 25-7, 25-22, 25-11
Langford def. Britton-Hecla, 25-15, 25-13, 25-16
Lead-Deadwood def. Douglas, 25-23, 24-26, 25-19, 25-17
Lennox def. Alcester-Hudson, 25-12, 25-11, 25-19
Linton-HMB, N.D. def. Mobridge-Pollock, 25-7, 25-15, 25-15
Madison def. Dell Rapids, 25-18, 16-25, 25-14, 21-25, 15-7
McCook Central/Montrose def. Tea Area, 25-16, 25-12, 25-15
Mitchell def. Harrisburg, 25-13, 20-25, 15-25, 25-17, 15-10
Mitchell Christian def. Iroquois, 25-17, 25-16, 25-14
Northwestern def. Groton Area, 25-16, 25-20, 25-17
Parker def. Flandreau, 25-16, 25-21, 25-21
Philip def. Bennett County, 25-18, 25-21, 23-25, 25-11
Rapid City Christian def. Harding County, 25-10, 25-10, 23-25, 25-16
Sioux County, Neb. def. Oelrichs, 25-19, 23-25, 25-16, 27-29, 15-2
Sioux Falls Christian def. Southwest Minnesota Christian, Minn., 25-21, 25-12, 25-19
Sioux Falls O’Gorman def. Sioux Falls Roosevelt, 25-17, 25-17, 25-18
St. Thomas More def. Belle Fourche, 25-20, 25-16, 25-21
Tri-Valley def. Mt. Vernon/Plankinton, 25-23, 21-25, 25-17, 25-16
Watertown def. Huron, 25-8, 25-20, 25-17
Waverly-South Shore def. Milbank Area, 19-25, 25-22, 25-17, 25-19
Wessington Springs def. James Valley Christian, 25-18, 25-12, 25-23
West Central def. Garretson, 25-14, 22-25, 26-24, 28-26
White River def. Lower Brule, 25-22, 25-15, 25-17
Winner def. Wagner, 17-25, 25-20, 25-15, 14-25, 15-10
Wolsey-Wessington def. Sunshine Bible Academy, 25-16, 25-13, 25-11
Cheyenne-Eagle Butte Triangular
Chamberlain def. Cheyenne-Eagle Butte, 25-22, 14-25, 26-24, 25-22
Cheyenne-Eagle Butte def. McLaughlin, 25-11, 25-18, 25-21
Gayville-Volin Triangular
Gayville-Volin def. Marty Indian, 25-7, 25-12, 25-5
Gayville-Volin def. Omaha Nation, Neb., 25-14, 25-10, 25-12
Kadoka Triangular
Kadoka Area def. New Underwood, 25-18, 25-21, 25-18
Kadoka Area def. Stanley County, 25-11, 25-16, 25-16
New Underwood def. Stanley County, 25-12, 25-8, 25-19
AP-WF-10-17-18 0802GMT