Following Saturday’s 1-1 draw, The Wells will now travel to West Sussex on Tuesday evening for the replay.
Playing in the Southern Combination League, The Lions finished 11th last season after 38 games. Winning 11, drawing 12 and losing 15. They suffered defeat in their first league game of the new season, losing 2-0 away to AFC Uckfield Town last weekend.
Pagham made the second preliminary round of last seasons competition by beating K Sports in a replay 2-0 before bowing out 0-2 at home to Whitehawk.