Grehan and Bridges sixth behind Canada in Buenos Aires
Ireland are tied for sixth place entering Sunday's final round of the Copa Tailhade in Argentina.
The duo of Tullamore's Stuart Grehan and Stackstown's Richard Bridges are alongside hosts Argentina on 440, 23 strokes behind runaway leaders Canada.
Canada's Austin Connelly shot a three under 68 and Corey Conners a 71 at Los Lagartos Country Club in Buenos Aires to give them a 15-stroke lead over Chile (432) with holders Spain third on 437.
Grehan shot a two over 73 in the third round and shares 16th place on five over 218 in the individual competition, 14 shot behind Connelly, who leads by six strokes from Uruguay's Juan Álvarez and Argentina's Alejandro Tosti.
Bridges, who is playing with a card in his had for the first time in three months, followed opening rounds of 74 and 72 with a third round 76 that leaves him tied for 27th on 222.