Head to Head
| 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 |
| United Rugby Championship | 2015/12/26 14:05 | Scarlets v Ospreys | L | 26-27 |
| United Rugby Championship | 2015/01/03 17:05 | Scarlets v Ospreys | W | 22-10 |
| United Rugby Championship | 2014/12/27 17:15 | Ospreys v Scarlets | L | 17-15 |
Home History
| Pro 14 Rugby | 2018/05/26 17:00 | Leinster v Scarlets | L | 40-32 |
| Pro 14 Rugby | 2018/05/18 18:45 | Glasgow Warriors v Scarlets | W | 13-28 |
| Pro 14 Rugby | 2018/05/05 17:35 | Scarlets v Cheetahs | W | 43-8 |
| Pro 14 Rugby | 2018/04/28 14:05 | Newport Gwent Dragons v Scarlets | W | 8-33 |
| European Rugby Champions Cup | 2018/04/21 14:30 | Leinster v Scarlets | L | 38-16 |
| Pro 14 Rugby | 2018/04/14 14:15 | Edinburgh v Scarlets | L | 52-14 |
| Pro 14 Rugby | 2018/04/07 15:15 | Scarlets v Glasgow Warriors | W | 26-8 |
| European Rugby Champions Cup | 2018/03/30 16:30 | Scarlets v La Rochelle | W | 29-17 |
Away History
| Pro 14 Rugby | 2018/05/20 14:05 | Ulster v Ospreys | L | 35-17 |
| United Rugby Championship | 2018/04/28 16:35 | Cardiff Blues v Ospreys | W | 23-26 |
| Pro 14 Rugby | 2018/04/21 16:45 | Zebre Parma v Ospreys | L | 37-14 |
| Pro 14 Rugby | 2018/04/13 18:35 | Ulster v Ospreys | L | 8-0 |
| Pro 14 Rugby | 2018/04/06 18:35 | Ospreys v Connacht | W | 39-10 |
| Pro 14 Rugby | 2018/03/24 19:35 | Ospreys v Leinster | W | 32-18 |
| British & Irish Cup | 2018/03/09 19:45 | Nottingham v Ospreys | L | 26-17 |
| United Rugby Championship | 2018/02/24 17:30 | Ospreys v Cheetahs | W | 27-26 |