Ardley cruise past Letcombe to book their place
Letcombe keeper Steven Vaux saved Jack Ross’s sixth minute penalty but Leam Howards converted a second spot-kick just three minutes later.
Sergio Guerrero hit the post before Troy Bryan doubled the lead in the 19th minute, getting on the end of Chris Jackson’s header from a corner to score from close range. Jack Heap crossed for Ross to score a third goal just before the break.
Skipper Luke Cray added a fourth goal in the 66th minute from a Declan Benjamin corner before Cruse’s cross was turned into his own net by Luke Faircloth late on.