Holbeach United joint-boss Graham Drury insists there is extra pressure on league leaders AFC Rushden & Diamonds in the title race.
The Tigers – who had set the early pace this season – have dropped to third place in the ChromaSport & Trophies United Counties League’s Premier Division.
They trail Diamonds by eight points with two games in hand while Yaxley are in second spot.
But while Holbeach and Yaxley are also dreaming of a trip to Wembley in the FA Vase, Diamonds will focus only on the championship.
Drury said: “I’m sure they are rubbing their hands at the moment knowing they have got the points on the board.
“They will be over the moon with the lead and people won’t expect them to slip up.
“With that, though, comes added pressure because I have been in this situation myself at Corby Town.
“Every game becomes really important and you want to edge even further away from your rivals.
“We’ve got to hope that the pressure mounts on Diamonds but I know they have a lot of experience and quality in the squad.
“Both ourselves and Yaxley are still in a good position where we just need to keep the momentum going.”
Holbeach will be back in league action at Carter’s Park on Saturday, looking to seal a double over Oadby Town after Danny Spencer’s single strike proved enough for victory in September.
The Tigers are chasing a sixth successive win but this is their first home league game in nearly two months.
Holbeach and Diamonds are the only UCL clubs who met the FA’s deadline to apply for promotion to Step Four at the end of this season.
The clubs meet again on January 24 – a week after the Tigers’ trip to Thurnby Nirvana in the last 32 of the Vase.