Benson County def. Rolla, 25-23, 18-25, 25-17, 26-24

Bismarck Century def. Bismarck High, 25-19, 25-23, 25-11

Center-Stanton def. Flasher, 25-17, 25-22, 25-19

Central Cass def. Lisbon, 19-25, 25-23, 20-25, 25-17, 15-12

Dickinson Trinity def. Beach, 25-18, 25-9, 25-8

Drayton/Valley-Edinburg def. Finley-Sharon/Hope-Page, 3-0

Fargo Davies def. Fargo Shanley, 25-13, 25-10, 22-25, 25-19

Fargo Oak Grove Lutheran def. Maple Valley, 25-9, 25-18, 25-5

Garrison-Max def. Washburn, 25-15, 25-13, 25-21

Grand Forks Red River def. Sheyenne, 19-25, 25-16, 15-25, 25-22, 15-11

Grant County def. Glen Ullin-Hebron, 11-25, 25-22, 25-22, 25-20

Harvey-Wells County def. Four Winds/Minnewauken, 25-8, 25-16, 25-23

Hatton-Northwood def. Larimore, 25-14, 21-25, 25-19, 19-25, 15-12

Hazen def. New England, 25-18, 25-21, 16-25, 28-26

Heart River def. Bowman County, 25-21, 18-25, 20-25, 25-18, 15-5

Hettinger/Scranton def. Richardton-Taylor, 25-9, 25-23, 25-23

Hillsboro/Central Valley def. Midway-Minto, 25-20, 25-15, 25-12

Jamestown def. Bismarck Legacy, 25-17, 25-15, 25-18

Killdeer def. Mott-Regent, 3-0

Lakota def. Dakota Prairie, 18-25, 25-22, 25-23, 25-10

Langdon-Edmore-Munich def. Rolette-Wolford, 25-5, 25-10, 25-17

Linton-HMB def. South Border, 23-25, 25-19, 25-14, 20-25, 18-16

Mandan def. Bismarck St. Mary's, 25-23, 25-21, 25-17

Medina-Pingree-Buchanan def. LaMoure-Litchville-Marion, 25-20, 17-25, 21-25, 25-21, 15-13

Minot Bishop Ryan def. Beulah, 3-1

Nedrose def. South Prairie, 3-1

Northern Cass def. Kindred, 25-23, 25-15, 25-14

Park River/Fordville Lankin def. Cavalier, 25-23, 25-23, 25-17

Ray def. Parshall, 25-11, 25-11, 25-14

Rugby def. Glenburn, 25-19, 22-25, 25-12, 25-14

Shiloh Christian def. Turtle Lake-Mercer-McClusky, 25-9, 25-12, 25-12

Thompson def. May Port CG, 25-16, 22-25, 25-23, 25-16

Towner-Granville-Upham def. St. John, 28-26, 18-25, 22-25, 25-19, 16-14

Underwood def. New Salem-Almont, 25-9, 25-17, 25-13

Valley City def. Fargo South, 25-14, 25-12, 25-16

Wahpeton def. Grand Forks Central, 25-21, 20-25, 25-17, 25-14

West Fargo def. Devils Lake, 25-21, 25-18, 25-21

Wilton-Wing def. Standing Rock, 25-14, 25-14, 25-14