Nathan Trott was an unused substitute as a AFC Wimbledon side containing several young talents provided a difficult test for a more experienced Southend line-up.
A goal from Tommy Wood in the first-half equalized for Wimbledon, but the hosts scored just before the break and added another in the second-half to win it 3-1. A late strike from Tommy Wood was controversially ruled out for offside, preventing a grandstand finish as Wimbledon attempted to stay in the competition.
The Dons starting 11 included three players making their debuts and the inclusions of regular starters Paul Kalambayi and Anthony Hartigan meant that five academy products were in the side.