Head to Head
| Greece A1 | 2019/05/10 17:30 | Ethnikos Piraeus v Olympiakos | W | 3-13 |
| Greece A1 | 2019/04/10 16:30 | Ethnikos Piraeus v Olympiakos | W | 6-17 |
| Others | 2019/01/05 11:59 | Olympiakos v Ethnikos Piraeus | W | 14-6 |
Home History
| Champions League | 2021/03/04 16:45 | Olympiakos v Spandau Berlin | D | 8-8 |
| Champions League | 2021/03/03 19:15 | CC Ortigia v Olympiakos | W | 8-10 |
| Champions League | 2021/03/02 16:45 | CN Marseille v Olympiakos | L | 9-8 |
| Champions League | 2021/03/01 19:15 | Olympiakos v Pro Recco | L | 8-14 |
| Champions League | 2020/12/16 16:45 | Olympiakos v Jug Dubrovnik | L | 8-9 |
| Champions League | 2020/12/15 16:45 | Spandau Berlin v Olympiakos | W | 9-13 |
| Champions League | 2020/12/14 14:15 | Olympiakos v CC Ortigia | W | 6-4 |
| Champions League | 2020/03/04 18:00 | Spandau Berlin v Olympiakos | W | 7-11 |
Away History
| Greece A1 | 2020/07/08 16:30 | Ethnikos Piraeus v Palaiou Falirou | L | 7-12 |
| Greece A1 | 2020/07/02 18:00 | PAOK v Ethnikos Piraeus | W | 4-19 |
| Greece A1 | 2020/02/25 19:00 | Panathinaikos v Ethnikos Piraeus | W | 6-7 |
| Greece A1 | 2020/02/19 18:29 | Panionios v Ethnikos Piraeus | D | 9-9 |
| Greece A1 | 2020/02/07 17:30 | Ethnikos Piraeus v NO Vouliagmenis | L | 3-9 |
| Greece A1 | 2019/11/30 11:57 | Palaiou Falirou v Ethnikos Piraeus | L | 11-8 |
| Greece A1 | 2019/10/23 16:30 | Ethnikos Piraeus v Panionios | W | 8-6 |
| Greece A1 | 2019/10/12 10:57 | NO Vouliagmenis v Ethnikos Piraeus | L | 11-3 |