Head to Head
| Pro 14 Rugby | 2018/05/26 17:00 | Leinster v Scarlets | L | 40-32 |
| European Rugby Champions Cup | 2018/04/21 14:30 | Leinster v Scarlets | L | 38-16 |
| Pro 14 Rugby | 2018/03/09 19:35 | Scarlets v Leinster | D | 10-10 |
| Pro 14 Rugby | 2018/02/17 15:15 | Leinster v Scarlets | L | 20-13 |
| Pro 14 Rugby | 2017/05/19 18:45 | Leinster v Scarlets | W | 15-27 |
| Pro 14 Rugby | 2017/03/04 19:35 | Leinster v Scarlets | L | 45-9 |
| Pro 14 Rugby | 2016/11/25 19:35 | Scarlets v Leinster | W | 38-29 |
| United Rugby Championship | 2015/11/06 19:35 | Leinster v Scarlets | L | 19-15 |
| United Rugby Championship | 2015/10/16 18:35 | Scarlets v Leinster | W | 25-14 |
| United Rugby Championship | 2015/03/07 17:15 | Scarlets v Leinster | W | 23-13 |
| United Rugby Championship | 2014/09/13 13:40 | Leinster v Scarlets | L | 42-12 |