LLANRHAEADR took their time before finally breaking the resolve of a stubborn Newbridge.
The struggling visitors almost snatched a surprise lead with Kyle Chillery firing onto the bar from 30-yards.
Before half-time Adriano Girolami forced home goalkeeper Darren Powell into action, with Matt Aubrey also going close.
Llanrhaeadr finally found their rhythm after the break with John Sunderland drilling home Matt Evans’ right-wing cross on the hour.
Goals came thick and fast as Ben White added a brace before Sunderland netted his second. Rob Fox scrambled home following a corner to stretch the lead before Girolami reduced the arrears with a 30 yard free-kick
Substitute Tristan Curteis completed the tally in injury-time after being released by Jamie Davies.
LLANRHAEADR: Powell, Vaughan, Burgess, Roberts, Kelly, Evans, P Jones, Fox, Sunderland, A Jones, White. Subs: Davies, Pl Jones, Curteis
NEWBRIDGE: Price, Tanner, Girolami, Samuel, Chillery, Evans, Mainwaring, Aubrey, C Jones, Ruell, Grey