Cian Adams was on target twice as Llanfairfechan overcame the challenge of bottom side Wanderers at the Recreation Ground.
Iwan Jones and Osian Roberts also featured on the scoresheet for the home side.
Ash Garrett hit back with a double for Wanderers.
Although the day ended in defeat for the visitors, they came away with a sense of unity and positivity having played some of their best football all season.
Owen Jones (3), Tom Kemp (2) and Ryan Brady were among the scorers for an NFA side which won convincingly at The Bananabeu, where the home team had three players sent off.
Cian Urquhart replied with a 75th minute penalty for Llysfaen, who had Tom Collier and Rhys Williams dismissed for two yellow cards, while Ben Rawlinson was shown a straight red after the final whistle.
Postponed due to a waterlogged pitch.
Visitors Llanberis fought back from 3-0 down to take all three points at Cae’r Delyn.
Llyr Evans and a Elgan Jones double put Nefyn three in front after half-an-hour, but Sion Foulkes pulled one back before the break.
In the second half, Owain Roberts and Jac Davies netted for the Darans to make it 3-3 with five minutes left.
The comeback was complete when substitute Oliver Bearman buried the winner with 90 on the clock.
Played three, won three, top of the table – but Trearddur Bay were made to work hard for their victory by a spirited Pentraeth outfit.
Sean Pritchard gave Bay a ninth-minute lead, but Kian Zoller replied on 22 and it remained 1-1 up to half time.
Lennon Owen nudged Trearddur back in front on 49 and none other than first team top-scorer Asa Thomas, who came on as a substitute, made it 3-1 to the hosts after 67.
Pentraeth kept battling and cut the deficit on 79 minutes through Kian Abbott.
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