Robbie Harris scored the only goal after a quarter of an hour for Wisbech St Mary versus Linton Granta in the Cambs League Premier Division.
Saints have finished their season in seventh place. Eaton Socon have overtaken Chatteris, who are now in the second relegation spot.
In Division 1B, March Reserves finished tenth after a 1-0 win over Earith. Manea are sixth after Cottenham were unable to raise a team.
March Rangers have finished their 2B season in seventh place with a 5-0 defeat of WSM Res, who are tenth.
Estover Park have come ninth in 3B after a close 3-2 defeat at Exning. Park took the lead through Shane Knight after he rounded the keeper. It looked to be heading for a draw when Exning got two late goals. Gary Davis had a glorious chance to score before Tom Jackman’s bullet header pulled one back.
WSM A were pipped to the title by West Row Gunners Res after Saints’ 1-1 draw at Mildenhall. West Row won 6-0 over Benwick, who finished tenth.
Doddington Res ended up ninth in 4B when winning 7-2 at eighth place WSM B.
Upwell came out on top 1-0 over Outwell Swifts Res in the 5D ‘el Classico of the fens’ thanks to a Scott Beetlestone goal.
Upwell then finished fifth after beating basement side Doddington A 3-2 (Upwell goals: Gary Green, man of the match Luke Gale 2).
Twelfth spot Manea Res drew 3-3 with March Saracens, who could yet be pipped for seventh by Chatteris Fen Tigers. Walsoken lost 3-1 at home to third position WSM C.
Other results (including midweek), Senior B: Lakenheath Res 2 Outwell Swifts 3.
1B: Godmanchester Res v Manea United no result.
2B: March Rgs 2 Bar Hill 1; Over Res 3 Wisbech St Mary Res 1.
3B: Benwick 4 Longstanton Res 4; Fenstanton Res 3 Wimblington Res 1.
4B: Doddington Res 1 Soham Res 3; WSM B 0 Red Lodge 2.
5D: Earith Res 1 Outwell Res 1; Littleport A H-W March Rgs Res, Rangers unable to raise a team; Doddington A 2 Gorefield 2; Earith Res 5 Manea United Res 2; Littleport A 5 March Saracens 2; Wimblington A 4 March Rangers Res 1; March Rgs Res 1 Outwell Res 2.