Defender Valerie Groove proved to be the winning strike after she rattled one into the cage to power Oakland Mills over Centennial in strokes on Tuesday.
Alexis Novotny made 17 saves for the Scorpions, who improved to 3-1 overall and 2-1 in Howard County action with the win.
The Eagles dropped to 3-3 and 1-2 respectively, losing three in a row after starting 3-0 on the season. Goal keeper Christina DiStefano had eight saves.
Oakland Mills 1, Centennial 0
Saves: OM-Novotny 17; C- DiStefano 8.