Benson County def. Towner-Granville-Upham, 25-23, 18-25, 23-25, 25-22, 15-11

Bismarck Century def. Bismarck Legacy, 25-18, 25-15, 26-24

Bismarck St. Mary's def. Minot, 25-21, 25-22, 25-15

Bottineau def. Surrey, 3-1

Bowman County def. Harding County, S.D., 25-23, 25-21, 25-14

Britton-Hecla, S.D. def. Sargent Central, 27-29, 25-18, 22-25, 25-19, 15-4

Des Lacs-Burlington def. Drake/Anamoose, 25-21, 25-20, 26-24

Divide County def. Trinity Christian, 25-23, 25-12, 25-23

Faith, S.D. def. Hettinger/Scranton, 25-20, 15-25, 17-25, 25-20, 15-8

Fargo Davies def. Devils Lake, 23-25, 25-19, 25-12, 25-15

Glen Ullin-Hebron def. New Salem-Almont, 15-25, 20-25, 25-23, 27-25, 15-10

Glenburn def. Parshall, 25-8, 25-11, 25-14

Grafton/St. Thomas def. Larimore, 25-12, 25-18, 25-27, 25-21

Grand Forks Red River def. Grand Forks Central, 25-11, 23-25, 25-14, 25-15

Hankinson def. Sisseton, S.D., 25-10, 25-11, 18-25, 25-23

Harvey-Wells County def. Kidder County, 25-15, 27-25, 25-22

Kenmare def. Mohall-Lansford-Sherwood, 16-25, 25-10, 25-20, 25-14

Lewis and Clark def. Stanley, 23-25, 25-5, 28-26, 25-11

Mandan def. Bismarck High, 3-1

May Port CG def. Dakota Prairie, 25-16, 25-8, 25-16

Minot Our Redeemer's def. Hazen, 3-0

Mott-Regent def. Grant County, 25-14, 25-13, 25-8

Nedrose def. Bishop Ryan, 14-25, 25-21, 17-25, 25-18, 15-13

North Star def. Drayton/Valley-Edinburg, 25-14, 25-19, 25-12

Northern Cass def. Park River/Fordville Lankin, 25-14, 25-16, 26-24

Oakes def. Milnor-North Sargent, 25-12, 24-26, 26-24, 25-15

Park Christian (Moorhead), Minn. def. Maple Valley, 25-22, 25-18, 25-15

Rolla def. Rolette-Wolford, 21-25, 25-13, 25-9, 23-25, 15-10

Rugby def. St. John, 25-10, 25-12, 25-14

Sheyenne def. Fargo Shanley, 25-17, 25-22, 25-17

Shiloh Christian def. Linton-HMB, 25-23, 25-14, 25-16, 25-18

South Border def. Edgeley-Kulm, 25-22, 25-18, 18-25, 25-21

Thompson def. Hillsboro/Central Valley, 25-17, 25-10, 25-12

Valley City def. Wahpeton, 25-14, 25-15, 25-15

Watford City def. Williston, 3-2

West Fargo def. Fargo North, 13-25, 25-20, 25-10, 25-20