Jamestown, Century and Shiloh Christian all earned 3-0 wins Tuesday against Mandan, Minot and Washburn, respectively.
The Blue Jays remain in first place of the WDA, with the Patriots right behind them.
Below are other volleyball scores from around the area:
Grant County 3, Wilton-Wing 0
Garrison-Max 3, New Salem-Almont 0
Kidder County 3, Midkota 0