Ashley Sloots was sent off in the early stages as AFC Sudbury were beaten 4-1 at Potters Bar Town on Saturday.
Leon Antoine scored a late consolation in their Ryman One North clash.
Hadleigh United warmed up for this weekend’s FA Vase trip to AFC Emley by drawing 0-0 with Wivenhoe Town in the Thurlow Nunn League Premier Division.
Long Melford were denied the chance to reach Portman Road for the second successive year, losing 2-1 in the Suffolk Senior Cup quarter-finals to Crane Sports.
In the First Division, Halstead Town beat March Town United 3-0, while Cornard United lost 6-1 at Saffron Walden Town, leaving them without a point from 20 league fixtures this term.
Sudbury’s rugby side suffered a narrow defeat at Wanstead in London Three North East, losing 19-17, to leave them second from bottom of the division.
In Greene King IPA Eastern Counties League Division One, Hadleigh lost 35-7 to Southwold.