The second game for the 290 Blaze fans who had made the trip to Rouen to enjoy saw Luke Fulghum give Coventry a goal in the eighth minute of the first period.
Craicovia who beat French hosts Rouen 2-1 after over time on Friday night, levelled through Laskiewicz but back came the Blaze with goals from Russ Cowley and Dan Carlson to lead 4-1 at the end of the second.
Owen Fussey and Arron Nell scored in the final period as again Coventry recorded a 6-1 victory and they now take on Rouen who beat Leipajas Metalurgs 4-1 in their last game on Sunday afternoon.
Commentary will be live on BBC Coventry & Warwickshire with face off at 6.30pm.