Jessica Hotaling kept the Clackamas (33-3) off the board during his seven innings of work and the Chemeketa (21-17) beat the Clackamas, 3-0.
Hotaling allowed six hits, one walk and struck out five.
Alyson Boytz was effective even in defeat, mowing down five the Chemeketa batters and allowing three runs.
Boytz (16-3) took the loss for the Clackamas.