Aberdeen Roncalli def. Redfield, 25-18, 25-23, 19-25, 25-17

Arlington def. Deuel, 25-14, 25-19, 25-10

Avon def. Ethan, 25-22, 15-25, 25-22, 29-31, 17-15

Colman-Egan def. Lennox, 25-19, 25-13, 25-12

Hanson def. Scotland, 25-21, 17-25, 25-15, 27-25

Hamlin def. Castlewood, 25-23, 25-7, 25-20

Harrisburg def. Yankton, 25-10, 25-22, 25-23

Ipswich def. Leola-Frederick Area, 25-11, 25-18, 25-18

Kadoka Area def. Chamberlain, 20-25, 25-21, 25-16, 18-25, 15-8

Kimball/White Lake def. Andes Central/Dakota Christian, 25-12, 22-25, 25-18, 22-25, 15-7

Langford Area def. Groton Area, 16-25, 23-25, 25-16, 25-17, 25-4

Madison def. Wagner, 25-10, 25-14, 25-15

Miller def. Wolsey-Wessington, 25-23, 27-25, 22-25, 25-23

Platte-Geddes def. Tripp-Delmont/Armour, 27-25, 25-17, 25-23

Rapid City Christian def. Jones County, 25-9, 25-9, 25-14

Waubay/Summit def. Tiospa Zina, 25-23, 25-10, 17-25, 25-21

Wilmot def. Tri-State, 25-22, 25-23, 25-18

Winner def. Mount Vernon/Plankinton, 25-9, 25-8, 25-20