They will face the Welsh side on July 30th.
Athlone Town remain unbeaten in the Women's Premier Division after their 3-0 win at home to Peamount United.
Kelly Brady score a brace, with Roisin Molloy slotting home a penalty on the 76th played.
Colin Fortune's side have now recorded nine wins and one draw in their 10 games so far and sit one point above Shelbourne in the league standings.
They turn their focus to Terenure Rangers in the FAI Cup this weekend.
The club have also learned their Champions League opponents.
They will take on Welsh side Cardiff City in the First Qualifying Round.
The semi-final match is scheduled for July 30th, with the tie set to take place at the Athlone Town Stadium.
The winner will face Croatian champions Z-N-K Agram in the final.
Manager Colin Fortune says it will be a special night:
We have drawn Cardiff City in First Qualifying Round Semi Final in the Women’s Champions League.
— Athlone Town AFC (@AthloneTownAFC) June 24, 2025
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