Head to Head
| European Rugby Champions Cup | 2019/05/18 18:45 | Ospreys v Scarlets | L | 21-10 |
| Pro 14 Rugby | 2018/12/22 15:00 | Ospreys v Scarlets | L | 19-12 |
| Pro 14 Rugby | 2018/10/06 14:00 | Scarlets v Ospreys | W | 20-17 |
| Pro 14 Rugby | 2017/12/26 17:35 | Scarlets v Ospreys | W | 12-9 |
| Pro 14 Rugby | 2017/10/07 18:35 | Ospreys v Scarlets | W | 18-19 |
| Pro 14 Rugby | 2017/05/06 16:15 | Scarlets v Ospreys | W | 40-17 |
| Pro 14 Rugby | 2016/12/27 15:00 | Ospreys v Scarlets | L | 19-9 |
| United Rugby Championship | 2016/03/26 15:00 | Ospreys v Scarlets | W | 16-25 |
Home History
| Pro 14 Rugby | 2019/12/21 17:15 | Newport Gwent Dragons v Scarlets | L | 22-20 |
| European Rugby Challenge Cup | 2019/12/14 19:45 | Scarlets v Bayonne | W | 46-5 |
| European Rugby Challenge Cup | 2019/12/07 20:00 | Bayonne v Scarlets | W | 11-19 |
| Pro 14 Rugby | 2019/11/29 19:35 | Ulster v Scarlets | L | 29-5 |
| European Rugby Challenge Cup | 2019/11/22 20:00 | Toulon v Scarlets | L | 17-16 |
| European Rugby Challenge Cup | 2019/11/16 19:45 | Scarlets v London Irish | W | 20-16 |
| Pro 14 Rugby | 2019/11/09 19:35 | Scarlets v Benetton Treviso | W | 20-17 |
| Pro 14 Rugby | 2019/11/02 15:00 | Scarlets v Cheetahs | W | 17-13 |
Away History
| Pro 14 Rugby | 2019/12/21 19:35 | Ospreys v Cardiff Blues | L | 16-19 |
| European Rugby Champions Cup | 2019/12/13 19:45 | Racing Metro v Ospreys | L | 40-27 |
| European Rugby Champions Cup | 2019/12/07 17:30 | Ospreys v Racing Metro | L | 19-40 |
| Pro 14 Rugby | 2019/11/30 19:35 | Ospreys v Cheetahs | L | 13-18 |
| European Rugby Champions Cup | 2019/11/23 13:00 | Saracens v Ospreys | L | 44-3 |
| European Rugby Champions Cup | 2019/11/16 17:30 | Ospreys v Munster | L | 13-32 |
| Pro 14 Rugby | 2019/11/09 15:00 | Ospreys v Southern Kings | L | 14-16 |
| Pro 14 Rugby | 2019/11/02 17:15 | Ospreys v Connacht | L | 10-20 |