Face à face
| United Rugby Championship | 2018/10/06 14:00 | Scarlets v Ospreys | L | 20-17 |
| United Rugby Championship | 2017/12/26 17:35 | Scarlets v Ospreys | L | 12-9 |
| United Rugby Championship | 2017/10/07 18:35 | Ospreys v Scarlets | L | 18-19 |
| United Rugby Championship | 2017/05/06 16:15 | Scarlets v Ospreys | L | 40-17 |
| United Rugby Championship | 2016/12/27 15:00 | Ospreys v Scarlets | W | 19-9 |
| United Rugby Championship | 2016/03/26 15:00 | Ospreys v Scarlets | L | 16-25 |
| United Rugby Championship | 2015/12/26 14:05 | Scarlets v Ospreys | W | 26-27 |
| United Rugby Championship | 2015/01/03 17:05 | Scarlets v Ospreys | L | 22-10 |
Home History
| Challenge Européen de rugby | 2018/12/14 19:45 | Stade Francais v Ospreys | L | 12-3 |
| Challenge Européen de rugby | 2018/12/08 15:00 | Ospreys v Stade Francais | W | 51-20 |
| United Rugby Championship | 2018/11/30 19:35 | Ospreys v Zebre | W | 43-0 |
| United Rugby Championship | 2018/11/23 19:35 | Leinster v Ospreys | L | 52-7 |
| United Rugby Championship | 2018/11/02 19:35 | Ospreys v Glasgow | L | 20-29 |
| United Rugby Championship | 2018/10/26 19:05 | Ospreys v Connacht | W | 22-17 |
| Challenge Européen de rugby | 2018/10/20 14:00 | Worcester Warriors v Ospreys | L | 27-21 |
| Challenge Européen de rugby | 2018/10/13 14:00 | Ospreys v Pau | W | 27-0 |
Away History
| Coupe d'Europe de rugby | 2018/12/14 19:45 | Ulster v Scarlets | L | 30-15 |
| Coupe d'Europe de rugby | 2018/12/07 19:45 | Scarlets v Ulster | L | 24-25 |
| United Rugby Championship | 2018/12/01 17:15 | Glasgow v Scarlets | L | 29-20 |
| United Rugby Championship | 2018/11/23 19:35 | Scarlets v Ulster | W | 29-12 |
| United Rugby Championship | 2018/11/02 19:35 | Édimbourg v Scarlets | L | 31-21 |
| United Rugby Championship | 2018/10/26 17:00 | Kings v Scarlets | W | 34-41 |
| Coupe d'Europe de rugby | 2018/10/19 18:45 | Leicester v Scarlets | L | 45-27 |
| Coupe d'Europe de rugby | 2018/10/13 16:30 | Scarlets v Racing Metro | L | 13-14 |