Langtoft United needed a penalty shoot-out to reach the PFA Senior Cup semi-finals.
The Vikings led 2-0 at half-time away to Pinchbeck United through goals from Joe Dobson and James Duffy.
The home side hit back to draw level through Tom Brooks and Jamie Francis won 5-4 on penalties.
Moulton Harrox lost 5-3 on penalties at Whittlesey Athletic following a 4-4 draw.
The Premier Division leaders were 3-1 up at half-time and then conceded a late equaliser.
Ben Allen (2), Billy King and Bobby Patterson scored for Moulton.
Patterson was the only player to miss in the penalty shoot-out, firing high over the bar.
Pinchbeck’s reserves won 4-1 at Ketton’s second string in the PFA Challenge Cup quarter-finals.
The goals were shared by Jordan Effield, Steven Jucikas, Reece Parker and Joshua Runnalls.
Shaun Bunn and Matthew Stancer got the second-half strikes as Sutton Bridge United’s reserves overturned a 1-0 interval lead for Holbeach Bank in the PFA Junior Cup quarter-finals.
There were home defeats for Holbeach United A and Tydd St Mary’s reserves in the last eight of the PFA Minor Cup.