Lewes have landed a psychological blow ahead of Saturday's top-of-the-table clash with Windsor and Eton.
The Rooks went to the top of division one south after a routine 3-0 victory against Molesey.
The win moved them a point above Windsor, who visit the Dripping Pan this weekend in what many people are describing as a championship decider.
Steven King's men appear to have found their form again at just the right time of the season.
They followed Saturday's 4-2 success at lowly Corinthian Casuals with an equally assured display last night.
Marc Whiteman gave Lewes the lead with his 17th goal of the season just past the half hour mark when he connected with a Dwain Clarke cross from close range.
Two minutes later the game was as good as over when a pass by Junior Kadi sent Whiteman clear and his cross was headed home by Paul Kennett.
The second half lacked incident but the icing on the cake arrived two minutes from time.
Substitute Justin Harris' cross was cleared to the edge of the area and Clarke connected with a left-foot volley which flew into the top corner of the net.
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