West of Ireland champion Joe Lyons edged out Monkstown's Shane Horgan by one hole to reach Wednesday's sem-finals of the South of Ireland championship.
Having knocked out the defending champion Simon Ward 2 and 1, the Offalyman will face Castletroy's Stephen Moloney following his 4 and 3 victory over Limerick's Cian McNamara.
In the other semi-final, Dunmurry's Darren Crowe will be bidding to reach the decider for the third year in a row following his 3 and 2 win over the Island's Brendan Walton.
Beaten in the last two finals, Crowe will face Royal Dublin's Niall Kearney, who was a 3 and 2 winner over Westport's Cathal O'Malley.
South of Ireland Amateur Open (sponsored by McNamara & Co), Lahinch Fifth round D Crowe (Dunmurry) bt B Tracy (National Golf Links) 6/5; B Walton (The Island/UCD) bt P O’Hanlon (The Curragh) 4/2; N Kearney (Royal Dublin) bt P McGibney (Elm Park) 2/1; C O’Malley (Westport) bt RJ Cannon (Laytown & Bettystown) 4/3; J Lyons (Galway) bt S Ward (Co Louth) 2/1; S Horgan (Monkstown) bt D Rawluk (The Island) 19th; S Moloney (Castletroy) bt D O’Driscoll (Ballybunion) 2/1; C McNamara (Limerick) bt G Shaw (Lurgan) 2/1.