They are away to Moldova with a 5pm kick off.
The Republic of Ireland under-21s begin their bid to qualify for the 2027 European Championships later.
Jim Crawford's team are away to Moldova in their opening fixture in the group, with kick off at 5 o'clock Irish time.
Meanwhile, the Republic of Ireland senior squad are continuing their preparations at Abbotstown for Saturday's World Cup qualifier against Hungary.
Ryan Manning has been tipped to start with Robbie Brady out injured.

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