Head to Head
| 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 |
Home History
| Pro 14 Rugby | 2020/02/15 17:15 | Ospreys v Ulster | W | 26-24 |
| European Rugby Champions Cup | 2020/01/19 13:00 | Munster v Ospreys | L | 33-6 |
| European Rugby Champions Cup | 2020/01/11 13:00 | Ospreys v Saracens | L | 15-22 |
| Pro 14 Rugby | 2020/01/04 15:00 | Newport Gwent Dragons v Ospreys | L | 25-18 |
| Pro 14 Rugby | 2019/12/26 17:15 | Scarlets v Ospreys | L | 44-0 |
| 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 |
Away History
| Pro 14 Rugby | 2020/02/15 14:30 | Leinster v Cheetahs | W | 36-12 |
| European Rugby Champions Cup | 2020/01/18 13:00 | Benetton Treviso v Leinster | W | 0-18 |
| European Rugby Champions Cup | 2020/01/12 13:00 | Leinster v Lyon | W | 42-14 |
| Pro 14 Rugby | 2020/01/04 17:30 | Leinster v Connacht | W | 54-7 |
| Pro 14 Rugby | 2019/12/28 18:00 | Munster v Leinster | W | 6-13 |
| Pro 14 Rugby | 2019/12/20 19:35 | Leinster v Ulster | W | 54-42 |
| European Rugby Champions Cup | 2019/12/14 17:15 | Leinster v Northampton | W | 50-21 |
| European Rugby Champions Cup | 2019/12/07 13:00 | Northampton v Leinster | W | 16-43 |