Benson County def. Drake/Anamoose, 25-19, 25-16, 25-23

Bismarck Century def. Dickinson, 25-10, 25-16, 25-22

Bottineau def. Rolla, 3-0

Bowman County def. Killdeer, 3-2

Burke County def. Tioga, 12-25, 25-15, 25-22, 25-19

Carrington def. New Rockford-Sheyenne, 25-8, 25-13, 25-12

Cavalier def. Larimore, 22-25, 23-25, 25-19, 25-23, 15-4

Center-Stanton def. Washburn, 25-4, 25-18, 25-11

Central Cass def. Fargo Oak Grove Lutheran, 25-18, 25-20, 17-25, 25-18

Des Lacs-Burlington def. South Prairie, 25-5, 25-4, 25-13

Ellendale def. Strasburg-Zeeland, 25-12, 25-18, 25-19

Enderlin def. Sargent Central, 3-0

Fargo Davies def. Sheyenne, 25-17, 25-15, 25-16

Fargo North def. Devils Lake, 25-21, 25-22, 25-11

Fargo Shanley def. Grand Forks Central, 25-8, 25-5, 25-17

Flasher def. Grant County, 23-25, 25-7, 25-10, 25-10

Garrison-Max def. Wilton-Wing, 25-16, 25-15, 25-23

Hazen def. Beach, 25-21, 25-9, 25-22

Heart River def. Hettinger/Scranton, 25-20, 25-12, 25-19

Hillsboro/Central Valley def. Finley-Sharon/Hope-Page, 3-2

Kenmare def. Divide County, 25-15, 25-9, 25-17

Kindred def. Tri-State, 25-14, 24-26, 25-22, 25-15

Langdon-Edmore-Munich def. North Border, 25-9, 25-0, 25-16

Lewis and Clark def. Glenburn, 3-1

Lisbon def. Hankinson, 25-23, 26-24, 25-13

Mandan def. Bismarck St. Mary's, 25-20, 25-20, 30-28

May Port CG def. Griggs County Central, 25-21, 25-15, 25-15

Midkota def. Harvey-Wells County, 3-0

Minot def. Bismarck High, 17-25, 25-23, 15-25, 25-16, 15-11

Minot Our Redeemer's def. Minot Bishop Ryan, 25-12, 25-12, 25-13

North Star def. Four Winds/Minnewauken, 25-2, 25-10, 25-12

Northern Cass def. Maple Valley, 25-14, 25-9, 25-18

Oakes def. Edgeley-Kulm, 19-25, 25-14, 25-14, 25-18

Park River/Fordville Lankin def. Midway-Minto, 25-16, 25-14, 25-13

Powers Lake def. Ray, 25-22, 22-25, 25-19, 25-23

Rugby def. Rolette-Wolford, 25-18, 25-17, 25-17

Shiloh Christian def. New Salem-Almont, 25-15, 25-20, 25-14

Surrey def. Mohall-Lansford-Sherwood, 3-2

Thompson def. Drayton/Valley-Edinburg, 3-0

Underwood def. Turtle Lake-Mercer-McClusky, 25-8, 25-13, 25-14

Valley City def. Grand Forks Red River, 25-13, 24-26, 25-22, 25-11

Watford City def. Parshall, 25-15, 25-16, 25-12

West Fargo def. Fargo South, 25-13, 25-16, 25-18

Wyndmere-Lidgerwood def. Milnor-North Sargent, 3-1