Aberdeen Roncalli def. Hamlin, 18-25, 25-21, 25-8, 25-19
Arlington def. Estelline, 25-16, 25-7, 25-20
Avon def. Corsica/Stickney, 25-15, 25-17, 25-14
Baltic def. Howard, 25-16, 25-20, 17-25, 25-22
Beresford def. Vermillion, 25-20, 25-18, 25-15
Britton-Hecla def. Langford, 25-17, 26-24, 25-23
Chester def. Sioux Valley, 28-26, 25-23, 25-8
Clark/Willow Lake def. Tiospa Zina Tribal, 25-19, 25-15, 25-7
Colman-Egan def. DeSmet, 22-25, 25-17, 25-16, 25-15
Deubrook def. Castlewood, 25-20, 25-12, 25-17
Douglas def. Lead-Deadwood, 25-17, 25-14, 25-15
Elkton-Lake Benton def. Lake Preston, 25-14, 25-14, 25-12
Eureka/Bowdle def. McIntosh, 25-15, 22-25, 29-27, 25-18
Faulkton def. Edmunds Central, 25-15, 25-14, 25-12
Freeman Academy/Marion def. Dell Rapids St. Mary, 25-13, 25-11, 25-20
Great Plains Lutheran def. Waubay/Summit, 25-20, 31-33, 25-14, 25-18
Hanson def. Freeman, 25-18, 23-25, 25-13, 25-13
Harding County def. Rapid City Christian, 25-19, 19-25, 25-21, 25-21
Harrisburg def. Brandon Valley, 25-21, 25-19, 24-26, 26-28, 15-9
Huron def. Pierre, 25-21, 14-25, 17-25, 25-18, 15-10
Irene-Wakonda def. Viborg-Hurley, 25-15, 27-25, 25-23
James Valley Christian def. Wessington Springs, 25-22, 25-18, 25-22
Kimball/White Lake def. Platte-Geddes, 20-25, 25-23, 25-14, 24-26, 17-15
Lennox def. Alcester-Hudson, 25-22, 25-22, 19-25, 23-25, 15-11
Madison def. Dell Rapids, 25-16, 25-18, 25-16
Milbank Area def. Sisseton, 25-14, 25-22, 25-13
Mitchell def. Watertown, 25-23, 23-25, 25-23, 25-17
Mobridge-Pollock def. Linton-HMB, N.D., 24-26, 11-25, 25-19, 25-22, 15-5
Northwestern def. Groton Area, 25-19, 25-16, 25-10
Parker def. Flandreau, 25-11, 25-10, 25-12
Parkston def. Bon Homme, 26-28, 26-28, 25-15, 25-23, 15-7
Philip def. Dupree, 25-14, 25-20, 25-9
Sanborn Central/Woonsocket def. Hitchcock-Tulare, 16-25, 25-21, 25-18, 25-22
Sioux Falls Christian def. Southwest Minnesota Christian, Minn., 25-10, 25-20, 25-17
Sioux Falls Roosevelt def. Yankton, 25-15, 25-16, 25-17
Sioux Falls Washington def. Sioux Falls Lincoln, 26-24, 23-25, 17-25, 25-21, 15-13
Spearfish def. Sturgis Brown, 25-14, 25-17, 25-11
St. Thomas More def. Hot Springs, 25-16, 25-16, 25-23
Sully Buttes def. Herreid/Selby Area, 25-13, 25-12, 25-10
Tea Area def. McCook Central/Montrose, 18-25, 21-25, 25-23, 25-21, 15-13
Tri-Valley def. Mt. Vernon/Plankinton, 25-20, 17-25, 25-18, 23-25, 15-8
Wagner def. Winner, 25-21, 25-18, 25-21
Warner def. Webster, 25-16, 25-14, 25-14
White River def. Lower Brule, 25-15, 25-23, 25-12
Wolsey-Wessington def. Sunshine Bible Academy, 25-9, 25-7, 25-5
Gayville-Volin Triangular
Gayville-Volin def. Marty Indian, 25-15, 25-17, 25-10
Gayville-Volin def. Omaha Nation, Neb., 25-17, 25-7, 25-12
Omaha Nation, Neb. def. Marty Indian, 25-21, 25-15, 29-27
Hill City Triangular
Custer def. Wall, 25-17, 22-25, 25-18, 25-12
Custer def. Hill City, 25-15, 25-18, 21-25, 25-16
Kadoka Triangular
Kadoka Area def. Stanley County, 17-25, 25-22, 25-20, 25-22
Kadoka Area def. New Underwood, 25-23, 25-19, 25-9
Stanley County def. New Underwood, 25-16, 25-16, 18-25, 25-23
McLaughlin Triangular
Chamberlain def. McLaughlin, 25-17, 25-15, 25-20
Cheyenne-Eagle Butte def. McLaughlin, 15-25, 25-17, 25-17, 25-18
Cheyenne-Eagle Butte def. Chamberlain, 25-14, 25-21, 25-23
AP-WF-10-19-16 0820GMT