Region 1A
Aberdeen Roncalli def. Webster Area, 26-28, 26-24, 25-20, 25-16
Groton Area def. Britton-Hecla, 25-13, 22-25, 25-21, 25-17
Region 2A
Clark/Willow Lake def. Great Plains Lutheran, 25-14, 25-18, 25-20
Hamlin def. Sioux Valley, 25-20, 25-23, 25-10
Region 3A
West Central def. Baltic, 22-25, 14-25, 25-17, 25-12, 15-11
Dell Rapids def. Madison, 25-17, 25-12, 25-18
Region 4A
Dakota Valley def. Elk Point-Jefferson, 25-18, 25-12, 25-13
Sioux Falls Christian def. Lennox, 25-22, 25-23, 25-15
Region 5A
McCook Central/Montrose def. Parker/Marion, 25-13, 21-25, 25-17, 25-12
Wagner def. Mount Vernon/Plankinton, 21-25, 25-20, 25-15, 24-26, 15-3
Region 6A
Miller def. Chamberlain, 25-14, 25-11, 25-19
Platte-Geddes def. Mobridge-Pollock, 19-25, 25-23, 25-21, 22-25, 16-14
Region 7A
Todd County def. Lakota Tech, 26-24, 25-21, 25-23
Winner def. Pine Ridge, 25-9, 25-10, 25-19
Region 8A
Rapid City Christian def. Hill City, 19-25, 25-9, 25-17, 25-22
St. Thomas More def. Hot Springs, 25-20, 25-18, 25-14
Region 1B
Northwestern def. Aberdeen Christian, 25-21, 25-23, 25-20
Warner def. Hitchcock-Tulare, 25-19, 23-25, 25-23, 25-21
Region 2B
Castlewood def. Estelline/Hendricks, 25-23, 18-25, 25-21, 25-23
Wolsey-Wessington def. De Smet, 25-23, 25-15, 25-14
Region 3B
Chester def. Ethan, 25-12, 25-21, 25-12
Colman-Egan def. Sioux Falls Lutheran, 25-20, 25-19, 31-29
Region 4B
Gayville-Volin def. Tripp-Delmont/Armour, 25-15, 25-16, 28-26
Parkston def. Freeman, 25-14, 25-11, 25-19
Region 5B
Corsica-Stickney def. Avon, 21-25, 17-25, 25-21, 25-23, 15-12
Burke def. Gregory, 25-20, 25-13, 25-13
Region 6B
Herreid/Selby Area def. North Central, 25-15, 25-21, 25-22
Ipswich def. Highmore-Harrold, 25-16, 25-11, 25-18
Region 7B
Bennett County def. Edgemont, 25-7, 25-7, 25-18
Kadoka Area def. Jones County, 25-14, 25-20, 25-11
Region 8B
Harding County def. Faith, 25-16, 25-16, 24-26, 25-19
Lemmon def. Bison, 27-25, 25-13, 25-14
*Scores courtesy of the Mitchell Daily Republic