Douglas pulled of a surprise win away at Ruskin Park in South Lancashire Cheshire Division Two.
James Woods’ first half try, converted by Tom Chamberlain, gave Douglas a 7-0 half-time lead.
In the second half they added a second try courtesy of Karl Markle-Fearns again converted by Chamberlain.
Late on Bryn Snellgrove nicked a drop goal to make the game safe.
Shooting: Winter series gets underway
Ward, Berg and Parr lead the way
Cycling: Bostock nominated for national champion of the year
Manxman one of six riders on British Cycling shortlist
Football: Railway Cup hopefuls all maintain pace in premier league
Castletown stay four points clear atop Division 2
Rugby: Vagabonds Ladies stay top with another victory
Vagabonds men and Douglas also take respective wins on home soil