Head to Head
| United Rugby Championship | 2024/05/11 18:35 | Leinster v Ospreys | L | 61-14 |
| United Rugby Championship | 2023/01/07 19:35 | Ospreys v Leinster | L | 19-24 |
| United Rugby Championship | 2022/02/19 17:00 | Leinster v Ospreys | L | 29-7 |
| Pro 14 Rugby | 2021/03/19 20:15 | Leinster v Ospreys | W | 19-24 |
| Pro 14 Rugby | 2020/11/08 15:00 | Ospreys v Leinster | L | 7-26 |
| Pro 14 Rugby | 2020/02/21 19:35 | Ospreys v Leinster | L | 13-21 |
| Pro 14 Rugby | 2019/10/04 18:35 | Leinster v Ospreys | L | 53-5 |
| Pro 14 Rugby | 2018/11/23 19:35 | Leinster v Ospreys | L | 52-7 |
| Pro 14 Rugby | 2018/03/24 19:35 | Ospreys v Leinster | W | 32-18 |
| Pro 14 Rugby | 2017/04/08 14:00 | Ospreys v Leinster | L | 18-20 |
| Pro 14 Rugby | 2016/09/23 18:35 | Leinster v Ospreys | L | 31-19 |
| United Rugby Championship | 2016/03/05 15:00 | Leinster v Ospreys | L | 19-16 |
| United Rugby Championship | 2016/01/08 19:45 | Ospreys v Leinster | L | 9-22 |
| United Rugby Championship | 2015/02/27 19:35 | Ospreys v Leinster | D | 9-9 |
| United Rugby Championship | 2014/11/29 17:15 | Leinster v Ospreys | L | 18-12 |