Aberdeen Central def. Mitchell 25-23, 25-15, 22-25, 25-14

Arlington def. Oldham-Ramona/Rutland 25-23, 23-25, 25-17, 25-18 

Baltic def. Howard 19-25, 25-21, 25-18, 25-17

Burke def. Gayville-Volin 25-22, 25-17, 25-8

Castlewood def. De Smet 25-19, 25-18, 25-7

Chester Area def. Sioux Valley 25-16, 21-25, 25-17, 25-21

Colman-Egan def. Deubrook Area 25-13, 23-25, 25-17, 25-23

Corsica-Stickney def. Avon 25-23, 17-25, 20-25, 25-20, 15-11

Dell Rapids def. Madison 25-16, 14-25, 25-18, 25-22

Douglas def. Lead-Deadwood 25-8, 25-13, 25-6

Elkton-Lake Benton def. Dell Rapids St. Mary 26-24, 25-19, 25-15

Estelline/Hendricks def. Iroquois/Lake Preston 25-11, 25-16, 25-11

Faith def. Timber Lake 25-19, 23-25, 25-17, 25-23

Flandreau def. Parker 25-8, 25-10, 25-21

Florence/Henry def. Deuel 25-14, 25-14, 25-22

Freeman def. Hanson 25-19, 25-22, 22-25, 20-25, 15-11

Garretson def. West Central 18-25, 23-25, 25-12, 25-15, 15-2

Harrisburg def. Sioux Falls Christian 15-25, 25-22, 19-25, 25-21, 15-12

Herreid/Selby Area def. Sully Buttes 22-25, 25-13, 25-23, 25-23

Hitchcock-Tulare def. Sanborn Central/Woonsocket 25-17, 25-20, 22-25, 25-20

Jones County def. Colome 25-17, 25-12, 25-21

Kadoka Area def. New Underwood 25-14, 25-20, 25-9

Kadoka Area def. Stanley County 25-14, 25-20, 25-9

Lakota Tech def. Edgemont 12-25, 25-8, 17-25, 25-21, 15-7

Linton/Hazelton-Moffit-Braddock, N.D. def. Mobridge-Pollock 26-24, 25-14, 25-14

Lyman def. Highmore-Harrold 17-25, 25-12, 25-21, 25-23

McCook Central/Montrose def. Tea Area 15-25, 25-23, 25-20, 25-19

Milbank def. Aberdeen Roncalli 14-25, 25-19, 25-18, 18-25, 15-10

Mount Vernon/Plankinton def. Gregory 25-17, 21-25, 25-11, 22-25, 15-12

Northwestern def. Groton Area 25-12, 25-7, 25-16

Parkston def. Bon Homme 25-10, 25-27, 26-24, 25-20

Pierre def. Huron 25-14, 25-19, 25-19

Platte-Geddes def. Kimball/White Lake 25-15, 25-23, 17-25, 18-25, 15-9

Sioux Falls Jefferson def. Watertown 25-12, 22-25, 25-14, 25-13

Sioux Falls O’Gorman def. Sioux Falls Lincoln 25-21, 25-14, 25-17 

Sioux Falls Roosevelt def. Brookings 25-18, 25-11, 20-25, 25-19

Sioux Falls Washington def. Brandon Valley 25-16, 25-13, 25-17

Stanley County def. New Underwood 16-25, 25-21, 25-23, 22-25, 15-13

Tiospa Zina def. Clark/Willow Lake 27-25, 25-22, 21-25, 25-15

Tripp-Delmont/Armour def. Andes Central/Dakota Christian 25-11, 25-17, 25-15

Vermillion def. Beresford 25-22, 22-25, 25-9, 25-23

Wagner def. Winner 25-13, 25-14, 25-15

Wessington Springs def. James Valley Christian 25-17, 26-24, 18-25, 25-15

White River def. Lower Brule 25-21, 25-20, 19-25, 25-14

Wolsey-Wessington def. Sunshine Bible Academy 25-13, 25-10, 25-12