Head to Head
| United Rugby Championship | 2022/01/01 17:15 | Scarlets v Ospreys | L | 22-19 |
| Pro 14 Rainbow Cup | 2021/05/08 18:35 | Scarlets v Ospreys | L | 22-6 |
| Pro 14 Rugby | 2020/12/26 17:15 | Ospreys v Scarlets | L | 14-16 |
| Pro 14 Rugby | 2019/12/26 17:15 | Scarlets v Ospreys | L | 44-0 |
| European Rugby Champions Cup | 2019/05/18 18:45 | Ospreys v Scarlets | W | 21-10 |
| Pro 14 Rugby | 2018/12/22 15:00 | Ospreys v Scarlets | W | 19-12 |
| Pro 14 Rugby | 2018/10/06 14:00 | Scarlets v Ospreys | L | 20-17 |
| Pro 14 Rugby | 2017/12/26 17:35 | Scarlets v Ospreys | L | 12-9 |
| Pro 14 Rugby | 2017/10/07 18:35 | Ospreys v Scarlets | L | 18-19 |
| Pro 14 Rugby | 2017/05/06 16:15 | Scarlets v Ospreys | L | 40-17 |
| Pro 14 Rugby | 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 |
| United Rugby Championship | 2014/12/27 17:15 | Ospreys v Scarlets | W | 17-15 |