Isabelle Raven and Emily Winicki scored first-half goals for Fruitport, and the game was tied 2-2 at halftime.
Stanbury outscored Whitehall 2-1 in the second half to settle the issue.
Raven, Jordan Werschem and Ellie Fisher had assists for Fruitport. Madelyn Fett got the win in goal for the Trojans, who outshot Whitehall 23-11.
Lauren Baustert, Alex Fleener and Kacy Jeffries scored goals for Whitehall, which is now 7-5 on the season. Hanna Evans contributed two assists.
Fruitport improved to 9-2.