In a typically tense semi-final, a sizeable Mespots crowd spurred the Association to build a head of steam and unsettle the formidable Repton.
Captain and talisman Freddie Christian hit the post for Eton before succumbing to injury midway through the first half.
Eton fought on valiantly in a game where free-flowing football was a rarity and chances were at a premium. Repton's superior strength told as they scored a headed goal from a corner in the second to give them a 1-0 win.
