Sanita Puspure qualified for the 'A' final of the single sculls at the European Rowing Championships in Lucerne, Switzerland.
In her semi-final, the world champion finished second behind the 2012 Olympic champion Mirka Knapkova.
Ireland has also qualified a second boat for the finals.
The Skibbereen twins Fintan and Jake McCarthy took third in their semi-final of the lightweight double sculls.
The McCarthys are representing Ireland in this boat because Paul O'Donovan is exam-tied.
Philip Doyle and Ronan Byrne will compete in in the B final of the men's double sculls after taking fourth in their A/B semi-final on Saturday morning.
They won their heat on Friday but were edged out of a top-three finish on the water in Lucerne by world champions France.
The Netherlands won it in 6:11.71, ahead of Britain (6:12.61), the French (6.13.81) and then Ireland (6:14.37).
Women’s lightweight double Lydia Heaphy and Denise Walsh took sixth in their semi-final and go the the B final.
Earlier, Gary O’Donovan finished fourth in the C final of the lightweight single sculls.
O’Donovan, competing at the Championships without his brother Paul who is currently preparing for exams, clocked 7:18.11 in Lucerne. Austrian Rainer Kepplinger took victory in 7:09.42 ahead of Greece's Eleftherios and Swede Filip Nilsson.
O’Donovan finished in last place in his heat on Friday and then took fourth place in the repechage. He was 16th overall.
