Head to Head
| European Rugby Challenge Cup | 2019/11/16 15:00 | Newport Gwent Dragons v Castres | L | 31-17 |
| European Rugby Challenge Cup | 2016/01/15 19:45 | Newport Gwent Dragons v Castres | L | 31-18 |
| European Rugby Challenge Cup | 2015/11/21 16:00 | Castres v Newport Gwent Dragons | W | 32-29 |