The RCT made short work of Leicester on Saturday night in Mayol to secure a place in the Challenge Cup final (34-19).
Patrice Collazo's men will meet Bristol, the UBB (37-20) striker on Friday evening, October 16.
The final will be played on Friday October 16 (9 p.m.) in Aix-en-Provence.
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Challenge Cup: calendar and results