Bismarck Century def. Minot, 25-14, 25-14, 25-18

Bismarck St. Mary's def. Turtle Mountain, 3-0

Carrington def. Napoleon, 25-14, 25-18, 25-19

Center-Stanton def. Underwood, 15-25, 18-25, 25-12, 26-24, 15-4

Central Cass def. Sargent Central, 25-11, 25-7, 25-8

Dakota Prairie def. Rolla, 25-17, 24-26, 25-23, 26-24

Dickinson Trinity def. Heart River, 25-16, 25-23, 15-25, 25-17

Divide County def. Trinity Christian, 25-11, 25-20, 25-10

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

Enderlin def. Kindred, 11-25, 23-25, 25-14, 25-13, 15-5

Fargo Davies def. Fargo South, 26-24, 25-21, 25-23

Fargo North def. Sheyenne, 25-19, 25-19, 28-26

Fargo Shanley def. Wahpeton, 3-0

Flasher def. Standing Rock, 25-18, 25-10, 25-13

Garrison-Max def. New Salem-Almont, 25-11, 25-22, 25-19

Grand Forks Red River def. Devils Lake, 23-25, 25-23, 25-23, 25-13

Grant County def. Wilton-Wing, 25-20, 25-16, 25-15

Hankinson def. Milnor-North Sargent, 25-19, 18-25, 25-13, 23-25, 15-12

Jamestown def. Mandan, 25-22, 25-13, 25-15

Kenmare def. Minot Bishop Ryan, 25-17, 25-21, 25-20

Kidder County def. Midkota, 25-11, 25-17, 25-22

Killdeer def. Beulah, 25-20, 25-14, 25-18

Lisbon def. Tri-State, 25-18, 25-23, 25-18

Medina-Pingree-Buchanan def. Oakes, 25-15, 17-25, 26-24, 25-17

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

North Star def. Harvey-Wells County, 25-23, 25-12, 25-16

Park River/Fordville Lankin def. North Border, 3-0

Ray def. Tioga, 25-23, 25-22, 25-14

Richland def. Maple Valley, 23-25, 25-10, 25-18, 25-9

Rugby def. Surrey, 25-8, 25-15, 25-12

St. John def. Four Winds/Minnewauken, 25-12, 25-14, 21-25, 25-11

Thompson def. Hatton-Northwood, 25-12, 25-14, 25-20

Turtle Lake-Mercer-McClusky def. Nedrose, 3-1

Velva/Sawyer def. Glenburn, 3-1

West Fargo def. Grand Forks Central, 25-9, 25-10, 25-10

Wilmot, S.D. def. Wyndmere-Lidgerwood, 25-22, 25-10, 21-25, 25-19