Amy Broadhurst has eased into the quarter-finals of the European Under-22 Championships in Vladikavkaz, Russia.
But Shauna O’Callaghan bowed out of the tournament on a second-round stoppage to Dutch light-welter Chelsey Heijin.
Broadhurst, a gold medallist at the 2018 European Under-22s, beat Turkey’s En Gizem on a unanimous decision in the lightweight class.
Irish men's captain Gabriel Dossen, David Oliver Joyce and Paddy Donovan are in action tomorrow.
The IABA are using a ten-strong squad – five males and five females - at the 34-nation tournament.
Irish female captain, Aoife O’Rourke, meets Russia’s current Olympic Youth and World and European Youth champion Anastasiya Shamonova in the last eight on Tuesday.
Meanwhile, the second session of Open Senior Cadet preliminaries will be decided at the National Stadium in Dublin on Saturday (1pm).