Last week's 4-0 win over struggling Cheslyn Hay kept Alvechurch on the heels of Leamington but last night's 3-1 defeat was costly.
The top two have the initiative in the title race with six fixtures to play and Leamington have a four point advantage.
Church are without a fixture on Saturday and return to action at Castle Vale KH on Tuesday (ko 7.45pm).
The clubs have a strained relationship dating back to the start of the season when Castle Vale - then known as Kings Heath - shared Church's Lye Meadow ground.
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