Brielle Bray held the Douglas (14-5) scoreless for seven innings to boost the Bellevue (17-11) to a 3-0 victory.
Bray allowed six hits, five walks and struck out five.
Hannah Sauget racked up three RBIs on two hits for the Bellevue. He singled in the fourth inning and homered in the sixth inning.
Tori Belton was effective even in defeat, mowing down five the Bellevue batters and allowing three runs.
Belton (7-2) took the loss for the Douglas.