Head to Head
| Others | 2018/05/17 12:30 | Ydraikos v Olympiakos | W | 3-14 |
| Others | 2017/01/14 12:21 | Olympiakos v Ydraikos | W | 10-3 |
Home History
| Others | 2018/11/07 17:58 | Palaiou Falirou v Olympiakos | W | 6-13 |
| Champions League | 2018/11/03 17:30 | Waspo Hannover v Olympiakos | D | 9-9 |
| Others | 2018/10/20 11:00 | NO Vouliagmenis v Olympiakos | W | 4-11 |
| Champions League | 2018/10/17 18:30 | Verona v Olympiakos | L | 7-6 |
| Champions League | 2018/06/09 18:30 | Olympiakos v Pro Recco | W | 9-7 |
| Champions League | 2018/06/08 17:00 | Olympiakos v CN Barceloneta | W | 6-4 |
| Champions League | 2018/06/07 14:00 | Olympiakos v Spandau Berlin | W | 6-5 |
| Others | 2018/05/26 14:30 | Olympiakos v NO Vouliagmenis | W | 8-5 |
Away History
| Others | 2018/11/07 15:59 | Ydraikos v NO Chania | W | 15-9 |
| Others | 2018/09/30 08:30 | Ydraikos v CC Ortigia | W | 5-4 |
| Others | 2018/09/29 09:58 | Ydraikos v VK Nais | W | 8-4 |
| Others | 2018/09/28 16:28 | Ydraikos v Primorac Kotor | L | 8-9 |
| Others | 2018/05/24 12:30 | Ydraikos v NO Chios | L | 4-8 |
| Others | 2018/05/17 12:30 | Ydraikos v Olympiakos | L | 3-14 |
| Others | 2018/05/06 12:30 | Ethnikos Piraeus v Ydraikos | L | 1-0 |
| Others | 2018/05/02 12:30 | Ethnikos Piraeus v Ydraikos | D | 6-6 |