The second strings of Boston United and Lincoln United both picked up narrow victories to stay top of the Sills and Betteridge Lincolnshire League.
Lincoln’s one-nil success at CGB Humbertherm leaves them two points clear, while the Pilgrims edged out Hykeham Town by the odd goal in three at York Street.
The top two cross swords at Boston on Saturday.
Sleaford Town Reserves climbed into eighth place with victory at Horncastle, while Cleethorpes Town Reserves won a seven-goal thriller when they hosted Heckington United.
In the bottom of the table clash at Nettleham’s Mulsanne Park, Grimsby Borough Reserves came out on top with victory by the odd goal in five.
Three Lincolnshire League sides have survived into the quarter-finals of the Lincolnshire FA Junior Cup.
Ruston Sports beat neighbours AFC Rustons, Skegness Town needed extra time to see off previously unbeaten College Wanderers from Scunthorpe, and Skegness United were gifted a last eight place when Barnetby United defaulted.
Gainsborough Town bowed out when they were beaten 1-0 by Moulton Harrox in a re-run of last season’s final.