Baker, Mont. def. Bowman County, 3-2

Benson County def. Four Winds/Minnewauken, 25-23, 25-13, 25-15

Bismarck St. Mary's def. Minot, 3-2

Bottineau def. South Prairie, 25-13, 25-15, 25-9

Carrington def. Harvey-Wells County, 25-18, 25-19, 25-18

Clinton-Graceville-Beardsley, Minn. def. Richland, 25-13, 25-17, 25-19

Devils Lake def. Turtle Mountain, 25-9, 25-8, 25-10

Dickinson def. Williston, 20-25, 25-17, 25-19, 25-19

Drayton/Valley-Edinburg def. Dakota Prairie, 3-0

Edgeley-Kulm def. Enderlin, 25-23, 25-15, 23-25, 25-16

Fargo Davies def. Wahpeton, 25-13, 25-11, 25-12

Fargo North def. Grand Forks Central, 25-12, 25-15, 25-12

Fargo Oak Grove Lutheran def. Hillsboro/Central Valley, 25-12, 20-25, 25-21, 25-21

Fargo Shanley def. Grand Forks Red River, 26-24, 20-25, 21-25, 25-16, 15-11

Finley-Sharon/Hope-Page def. Barnes County North, 25-23, 23-25, 25-23, 25-23

Flasher def. Mott-Regent, 25-13, 25-13, 25-21

Glen Ullin-Hebron def. Beach, 25-10, 25-16, 25-16

Hatton-Northwood def. Lakota, 25-21, 25-20, 25-17

Hazen def. New Salem-Almont, 23-25, 25-6, 25-12, 25-12

Jamestown def. Bismarck Legacy, 24-26, 25-18, 25-22, 25-11

Kenmare def. Des Lacs-Burlington, 19-25, 25-17, 25-23, 25-20

Killdeer def. Hettinger/Scranton, 22-25, 25-16, 25-21, 15-25, 15-11

Lewis and Clark def. Garrison-Max, 25-15, 25-16, 25-13

Lisbon def. Oakes, 25-14, 12-25, 25-16, 24-26, 15-11

Mandan def. Bismarck High, 25-18, 25-20, 18-25, 25-23

Medina-Pingree-Buchanan def. New Rockford-Sheyenne, 25-7, 25-13, 25-15

Midkota def. Griggs County Central, 26-24, 25-22, 17-25, 13-25, 15-13

Minot Bishop Ryan def. Washburn, 25-18, 25-12, 25-10

Mohall-Lansford-Sherwood def. Burke County, 3-0

Napoleon def. Ellendale, 13-25, 25-19, 21-25, 25-15, 15-10

Nedrose def. Drake/Anamoose, 3-0

New England def. Harding County, S.D., 25-23, 25-23, 25-19

North Border def. Grafton/St. Thomas, 25-18, 21-25, 27-25, 20-25, 15-7

Park River/Fordville Lankin def. Larimore, 25-14, 25-10, 25-23

Rugby def. North Star, 25-19, 25-21, 25-20

Sheyenne def. Fargo South, 25-16, 25-15, 21-25, 25-20

South Border def. North Border, S.D., 25-15, 14-25, 25-19, 25-9

St. John def. Newburg-Westhope, 25-12, 25-6, 25-7

Surrey def. Turtle Lake-Mercer-McClusky, 3-0

Tioga def. Glenburn, 13-25, 20-25, 25-23, 25-20, 15-11

Underwood def. Towner-Granville-Upham, 19-25, 25-5, 25-14, 25-14

Valley City def. West Fargo, 34-32, 25-20, 25-22

Watford City def. Divide County, 25-8, 25-11, 25-15

Wyndmere-Lidgerwood def. Milnor-North Sargent, 25-22, 25-23, 26-24