Aberdeen Roncalli def. Deuel 25-14, 25-9, 19-25, 25-9

Burke def. Wagner 20-25, 24-26, 25-22, 25-20, 15-10

Chester Area def. Arlington 25-9, 25-16, 25-13

Dakota Valley def. Tea Area 25-18, 25-21, 25-20

Dupree def. Lemmon 22-25, 25-20, 25-15, 25-16

Edgemont def. Pine Ridge 25-21, 25-16, 25-21

Elkton-Lake Benton def. Estelline/Hendricks 25-20, 25-20, 20-25, 25-16

Freeman def. Canistota 25-22, 19-25, 25-18, 25-18

Garretson def. Sioux Valley 25-17, 21-25, 25-16, 19-25, 15-9

Gregory def. Andes Central/Dakota Christian, 25-20, 17-25, 25-21, 22-25, 15-10

Groton Area def. Britton-Hecla 25-21, 25-17, 25-7

Herreid/Selby Area 25-14, 21-25, 25-14, 25-17

Hot Springs def. Oelrichs 25-3, 25-11, 25-11

Kimball/White Lake def. Colome, 25-12, 25-13, 25-14

Little Wound def. Bennett County 25-20, 25-14, 25-11

Lyman def. Chamberlain, 25-21, 25-11, 21-25, 25-19

McCook Central/Montrose def. Hanson 25-18, 25-16, 25-15

McIntosh def. McLaughlin 25-12, 25-9, 25-12

Milbank def. Great Plains Lutheran 25-16, 25-12, 25-17

Oldham-Ramona/Rutland def. Iroquois/Lake Preston 25-12, 25-22, 25-22

Platte-Geddes def. Winner 25-18, 20-25, 28-26, 25-13

Sioux Falls Christian def. Lennox 25-13, 25-12, 25-9

Tiospa Zina def. Flandreau Indian 25-6, 25-8, 25-15

Tripp-Delmont/Armour def. Ethan 25-17, 25-20, 25-15

Vermillion def. Parker 25-9, 25-11, 25-20

Viborg-Hurley def. Alcester-Hudson 25-21, 28-26, 25-23

West Central def. Tri-Valley 13-25, 19-25, 25-22, 26-24, 15-6

Wolsey-Wessington def. Redfield 25-19, 25-14, 25-19