AFC Sudbury ended their home fixtures with a 5-1 defeat to Ryman League One North play-off contenders Heybridge Swifts.
Due to injury problems Subdury were forced to field a youthful side and Chris Bryan put them a goal behind after 10 minutes.
Jordan Blackwell equalised for the hosts four minutes later before goals from Jamie Guy (2), Ben Newson and Michael Toner gave Swifts all three points.
Title-chasing Hadleigh United picked up their first win in seven as they won 4-0 at Brantham Athletic in the Thurlow Nunn League Premier Division.
The Brettsiders had dropped down to second place on Saturday and are now one point off of current leaders Felixstowe and Walton United.
Halstead Town’s Thurlow Nunn League First Division promotion hopes are almost over as they were held to a third successive draw after drawing 0-0 at Saffron Walden Town.
The Humbugs need Team Bury to beat Ipswich Wanderers on Wednesday night to keep them in the running on the final day of the season on Saturday.
Elsewhere, Long Melford moved into 11th place with a 4-1 win at Cornard United, while AFC Sudbury Reserves lost 7-0 at Needham Market Reserves.
Ipswich Town missed out on moving into the Sky Bet Championship play-offs as Bournemouth twice came back from a goal behind to share the points in a 2-2 draw at Portman Road.