Greencastle showed no mercy as a destruction of Buncrana Hearts made it 14 League wins in a row and put the Greeks nine points clear in the Jackie Crossan Premier Division.
Buncrana Hearts 0 Greencastle 10
Buncrana were well in this game up to half time but, after being reduced to ten men before the break, they capitulated in the second half.
Jamie McCormick headed an early chance over for the visitors before at the other end Aaron McDaid fed James Quigley but he fired straight at Dylan Doherty.
Michael Henry then had a long range effort saved by Eoghan O’Doherty before McCormick fired narrowly wide from 20 yards.
The deadlock was broken on 35 minutes after a superb Stephen Grant cross was headed home by Nigel McMonagle.
McMonagle doubled their advantage when he volleyed home a McCormick cross.
Buncrana were dealt a blow then after Keelan Dillon was red carded for an off the ball incident but Aaron McDaid fired narrowly wide before the interval.
In the second half Greencastle ran amok with Michael Barr and Christy Hegarty both scoring twice and James Henry getting a hat trick while McMonagle also completed his hat trick.