The Basques conceded five tries for their entry into the running in the Challenge Cup, on the lawn of the Welsh club Scarlets (39-7).
Aviron Bayonnais fell heavily in Wales on the ground of the Scarlets, winners 39 to 7 of a one-sided meeting on the first day of the Rugby Challenge Cup (pool B).
The Basques, seventh in Top 14 after twelve days, conceded five tries and only scored one by Thomas Acquier (25th), transformed by Thomas Dolhagaray.
