Simon Thornton cruised to a six-shot victory in the Europro Tour Q-School pre-qualifier at Forest Pines in Lincolnshire.
The Royal County Down professional fired a pair of five-under par 67s to top the leaderboard on 10-under par.
Walker Cup star Jamie Moul capitalised on home advantage to win at Stoke by Nayland.
The former amateur world number one, who is attached to the Suffolk club, fired rounds of 71 and 67 over the Constable Course for a six under total.
Belmullet amateur Michael Lavelle finished second behind England's Shane Winstone at The Players Club in Bristol.
Playing out of The K Club, he was two shots adrift on level par after following a superb 66 with a five-over par 76.
The 2007 East of Ireland champion, Banbridge's Richard Kilpatrick was eighth on two-over par after two 72s with former Shamrock Rovers winger Stephen Grant tied for ninth on four-over par.
Robert Perrett blasted a pair of five-under par 67s at The Bedford to win by a shot on 10-under par with Shane Franklin the best of the Irish in tied 38th on three-over.
Stoke by Nayland (Par 72)
138 Jamie Moul 71 67
144 John McDermott (Stackstown) 71 73
146 Patrick Geragty (Glen of the Downs) 72 74, Keith Coveney 69 77
152 Steven Hackett (Cork G.C.) 73 79
167 Paul O'Brien (Lucan Golf Club) 89 78
RTD Jim Ussher (Millicent) 81 RTD
The Players Club (Par 71)
140 Shane Winstone (ENG) 69 71
142 Michael Lavelle (The K Club, Amateur) 66 76
144 Richard Kilpatrick (Banbridge) 72 72
146 Stephen Grant (Grant Engineering) 75 71
149 David Lovett (The European Club) 75 74
150 Paul McDonald (Team Ireland) 73 77
151 Brendan McDermott (Castle Comer) 75 76
158 Phil Ring (Elmgreen) 76 82
DSQ Scott Ephgrave (IRE)
Forest Pines (Par 72)
136 Simon Thornton (Royal County Down) 68 68
The Bedford (Par 72 )
134 Robert Perrett (ENG) 67 67
147 Shane Franklin 77 70
148 William Noble (Co Cavan) 77 71