Head to Head
| Pro 14 Rugby | 2021/03/19 20:15 | Leinster v Ospreys | L | 19-24 |
| Pro 14 Rugby | 2020/11/08 15:00 | Ospreys v Leinster | W | 7-26 |
| Pro 14 Rugby | 2020/02/21 19:35 | Ospreys v Leinster | W | 13-21 |
| Pro 14 Rugby | 2019/10/04 18:35 | Leinster v Ospreys | W | 53-5 |
| Pro 14 Rugby | 2018/11/23 19:35 | Leinster v Ospreys | W | 52-7 |
| Pro 14 Rugby | 2018/03/24 19:35 | Ospreys v Leinster | L | 32-18 |
| Pro 14 Rugby | 2017/04/08 14:00 | Ospreys v Leinster | W | 18-20 |
| Pro 14 Rugby | 2016/09/23 18:35 | Leinster v Ospreys | W | 31-19 |
Home History
| Pro 14 Rainbow Cup | 2021/06/11 19:15 | Leinster v Newport Gwent Dragons | W | 38-7 |
| Pro 14 Rainbow Cup | 2021/06/04 19:15 | Glasgow Warriors v Leinster | L | 15-12 |
| Pro 14 Rainbow Cup | 2021/05/14 19:15 | Leinster v Ulster | W | 21-17 |
| Pro 14 Rainbow Cup | 2021/05/08 18:35 | Connacht v Leinster | W | 21-50 |
| European Rugby Champions Cup | 2021/05/02 14:00 | La Rochelle v Leinster | L | 32-23 |
| Pro 14 Rainbow Cup | 2021/04/24 18:35 | Leinster v Munster | L | 3-27 |
| European Rugby Champions Cup | 2021/04/10 16:30 | Exeter Chiefs v Leinster | W | 22-34 |
| Pro 14 Rugby | 2021/03/27 17:00 | Leinster v Munster | W | 16-6 |
Away History
| Pro 14 Rainbow Cup | 2021/06/04 17:00 | Connacht v Ospreys | L | 26-19 |
| Pro 14 Rainbow Cup | 2021/05/16 12:00 | Newport Gwent Dragons v Ospreys | W | 26-42 |
| Pro 14 Rainbow Cup | 2021/05/08 18:35 | Scarlets v Ospreys | L | 22-6 |
| Pro 14 Rainbow Cup | 2021/04/24 16:15 | Ospreys v Cardiff Blues | W | 36-14 |
| European Rugby Challenge Cup | 2021/04/03 14:00 | Ospreys v Newcastle Red Bulls | L | 24-28 |
| Pro 14 Rugby | 2021/03/19 20:15 | Leinster v Ospreys | W | 19-24 |
| Pro 14 Rugby | 2021/03/12 20:00 | Glasgow Warriors v Ospreys | L | 30-25 |
| Pro 14 Rugby | 2021/03/06 19:35 | Ospreys v Newport Gwent Dragons | L | 20-31 |