Head to Head
| Griechenland - A1 | 2021/11/23 17:30 | Olympiakos v Ethnikos Piräus | L | 16-3 |
| Griechenland - A1 | 2021/03/27 10:00 | Olympiakos v Ethnikos Piräus | L | 18-4 |
| Griechenland - A1 | 2019/05/10 17:30 | Ethnikos Piräus v Olympiakos | L | 3-13 |
| Griechenland - A1 | 2019/04/10 16:30 | Ethnikos Piräus v Olympiakos | L | 6-17 |
| Others | 2019/01/05 11:59 | Olympiakos v Ethnikos Piräus | L | 14-6 |
Home History
| Griechenland - A1 | 2021/11/23 17:30 | Olympiakos v Ethnikos Piräus | L | 16-3 |
| Griechenland - A1 | 2021/10/09 13:00 | AEK v Ethnikos Piräus | L | 9-8 |
| Griechenland - A1 | 2021/04/15 10:00 | Ethnikos Piräus v NO Chania | L | 8-10 |
| Griechenland - A1 | 2021/04/14 16:30 | Ethnikos Piräus v Ydraikos | L | 6-8 |
| Griechenland - A1 | 2021/04/10 14:00 | Panionios v Ethnikos Piräus | L | 8-1 |
| Griechenland - A1 | 2021/03/31 16:30 | Ethnikos Piräus v AEK | L | 4-7 |
| Griechenland - A1 | 2021/03/27 10:00 | Olympiakos v Ethnikos Piräus | L | 18-4 |
| Griechenland - A1 | 2020/07/08 16:30 | Ethnikos Piräus v Palaiou Falirou | L | 7-12 |
Away History
| Griechenland - Pokal | 2022/02/02 15:00 | Apollon Smyrnis v Olympiakos | W | 6-12 |
| Griechenland - A1 | 2022/01/29 13:30 | Olympiakos v AEK | W | 23-3 |
| Champions League | 2022/01/26 19:30 | Radnicki v Olympiakos | L | 10-8 |
| Champions League | 2022/01/11 15:30 | Olympiakos v Radnicki | W | 11-7 |
| Champions League | 2021/12/21 19:30 | AN Brescia v Olympiakos | L | 8-7 |
| Champions League | 2021/12/14 17:15 | Olympiakos v Jadran Split | W | 12-10 |
| Champions League | 2021/11/30 17:15 | Olympiakos v CN Barceloneta | W | 8-4 |
| Griechenland - A1 | 2021/11/23 17:30 | Olympiakos v Ethnikos Piräus | W | 16-3 |