Barnes County North def. Midkota, 25-16, 25-18, 22-25, 25-20

Bismarck Century def. Minot, 16-25, 25-16, 25-11, 25-21

Bismarck Legacy def. Bismarck High, 25-18, 25-21, 25-18

Center-Stanton def. New Salem-Almont, 25-21, 25-18, 25-19

Des Lacs-Burlington def. Ray, 25-21, 25-14, 25-15

Devils Lake def. Fargo South, 26-24, 25-20, 25-23

Dickinson Trinity def. Glen Ullin-Hebron, 25-23, 25-12, 25-19

Divide County def. Tioga, 25-14, 21-25, 25-19, 25-15

Drayton/Valley-Edinburg def. Hatton-Northwood, 25-14, 25-14, 18-25, 26-24

Enderlin def. Maple Valley, 25-18, 25-23, 25-7

Fargo Davies def. Valley City, 23-25, 20-25, 25-19, 25-23, 15-11

Fargo North def. Wahpeton, 25-9, 25-12, 25-14

Fargo Oak Grove Lutheran def. Tri-State, 25-18, 25-7, 25-20

Fargo Shanley def. Moorhead, Minn., 25-23, 25-19, 30-28

Finley-Sharon/Hope-Page def. Griggs County Central, 25-19, 25-9, 25-19

Flasher def. Washburn, 25-9, 25-12, 25-12

Garrison-Max def. Powers Lake, 25-20, 19-25, 25-18, 21-25, 16-14

Grant County def. Turtle Lake-Mercer-McClusky, 25-17, 25-18, 25-7

Hankinson def. Sargent Central, 25-12, 25-13, 22-25, 25-22

Harding County, S.D. def. Hettinger/Scranton, 27-25, 25-19, 26-24

Harvey-Wells County def. St. John, 27-25, 19-25, 25-18, 25-20

Hazen def. Beulah, 25-21, 25-18, 27-29, 25-16

Hillsboro/Central Valley def. North Border, 24-26, 25-18, 25-11, 25-16

Jamestown def. Turtle Mountain, 25-4, 25-8, 25-11

Kenmare def. Glenburn, 25-13, 25-20, 22-25, 25-17

LaMoure-Litchville-Marion def. Ellendale, 25-12, 25-11, 25-9

Lemmon, S.D. def. Mott-Regent, 25-7, 25-17, 25-14

Linton-HMB def. Kidder County, 25-12, 13-25, 25-20, 25-11

Lisbon def. Milnor-North Sargent, 26-24, 25-16, 25-15

Mandan def. Dickinson, 25-18, 25-14, 25-19

May Port CG def. Cavalier, 25-17, 25-19, 25-20

Medina-Pingree-Buchanan def. South Border, 3-0

Midway-Minto def. Dakota Prairie, 25-21, 25-15, 25-18

Minot Our Redeemer's def. North Star, 25-12, 25-23, 25-17

Napoleon def. Strasburg-Zeeland, 21-25, 25-17, 25-22, 25-22

Park River/Fordville Lankin def. Carrington, 22-25, 25-17, 25-17, 25-23

Richland def. Central Cass, 25-15, 28-26, 25-18

Rolla def. Newburg-Westhope, 25-14, 25-21, 25-22

Rugby def. Nedrose, 25-11, 25-16, 25-12

Sheyenne def. Grand Forks Central, 25-18, 25-23, 25-18

Shiloh Christian def. Wilton-Wing, 25-12, 25-17, 25-16

Thompson def. Grafton/St. Thomas, 25-15, 25-9, 25-10

Towner-Granville-Upham def. South Prairie, 25-12, 21-25, 25-21, 25-15

Underwood def. Standing Rock, 3-0

Velva/Sawyer def. Minot Bishop Ryan, 3-0

Watford City def. New England, 3-2

West Fargo def. Grand Forks Red River, 25-19, 25-19, 25-22

Wibaux, Mont. def. Beach, 25-13, 22-25, 25-21, 25-15

Wyndmere-Lidgerwood def. Kindred, 25-16, 18-25, 20-25, 25-19, 15-8