Cleethorpes Town Reserves regained their place at the top of the Sills and Betteridge Lincolnshire League when they beat form team Heckington United by the odd goal in three.
A brace of goals from Callum Day did the trick for the Seasiders and earned them a three- point lead at the summit.
Nettleham missed a chance to go fourth when they were edged out by local rivals Lincoln United Reserves at Ashby Avenue, while a Nathan Holland hat-trick helped Sleaford Town Reserves climb into the top six.
Scott Lowman struck twice for Market Rasen Town as they clinched a local derby victory over Louth Town Reserves.
In the Lincolnshire FA Junior Cup, Gainsborough Town progressed to the semi-finals with victory over fellow Lincolnshire League side Hykeham Town. They will be joined in the last four by Ruston Sports, who overcame a challenge from Boston Leaguers Wyberton.
Skegness United bowed out at Moulton Harrox, while neighbours Skegness Town finally knocked out All Star Panthers to earn a quarter-final place against Barnetby United.
Heckington United 1 Cleethorpes Town 2
Cleethorpes left it very late to clinch the three points needed to lift them to the top of the league.
Substitute Callum Day scored from a free kick with the last kick of the game to break Heckington hearts and up the stakes for their clash with championship rivals Skegness United on Saturday.
In his first Lincs League appearance since September, Day had earlier scored the seasiders’ first goal, while defender Carl Wilson had been on target for United.
Market Rasen Town 2
Louth Town Reserves 1
Scott Lowman’s pair of goals made it three wins on the trot for Market Rasen Town, their best run of the season so far.
The former Lincoln United man trebled his tally for the season with his two goals.
At thew other end Calvin Taylor was on target for the White Wolves.
Boston Town Reserves 0 Sleaford Town Reserves 5
Sleaford Town Reserves climbed to the dizzy heights of sixth in the table thanks to a Nathan Holland hat-trick and two goals from Ryan Parnell.
The result leaves Boston’s second string firmly rooted to the foot of the table.
Lincolnshire Junior FA Cup
Hykeham Town 2
Gainsborough Town 3
Gainsborough Town let a two-goal lead slip away at Hykeham’s Memorial Ground.
But they bounced back to clinch a semi-final place with a late winner in the tie of the round.
Robin Newman and Steven Mehta both scored for the home side to drag them back on level terms.
Gainsborough’s goals came from Leigh Hutchinson (2) and Lee Bognar.
Ruston Sports 2 Wyberton 1
After a goalless first half, Lincoln-based Ruston Sports scored all three goals as they progressed to the semi-finals.
They broke the deadlock in the 53rd minute, but a Stuart Ward own goal levelled things for the Boston Leaguers in the 65th minute.
Sports clinched their passage into the last four with a 73rd minute strike.
Rustons scorers were Gavin Mackie and Jake Keyworth.
Boston Town Reserves 0 Sleaford Town Reserves 5; Heckington United 1 Cleethorpes Town Reserves 2; Lincoln United Reserves 2 Nettleham 1; Market Rasen Town 2 Louth Town Reserves 1.
Lincolnshire FA Junior Cup Round 4: Skegness Town 3 All Stars Panthers 0.
Lincolnshire FA Junior Cup Round 5: Hykeham Town 2 Gainsborough Town 3; Ruston Sports 2 Wyberton 1; Moulton Harrox 3 Skegness United 1.