Head to Head
| Water Polo Matches | 2022/09/23 17:30 | Ethnikos Piraeus v Panionios | W | 9-15 |
| Greece A1 | 2021/04/10 14:00 | Panionios v Ethnikos Piraeus | W | 8-1 |
| Greece A1 | 2020/02/19 18:29 | Panionios v Ethnikos Piraeus | D | 9-9 |
| Greece A1 | 2019/10/23 16:30 | Ethnikos Piraeus v Panionios | L | 8-6 |
| Others | 2017/12/09 17:57 | Ethnikos Piraeus v Panionios | L | 7-6 |
| Others | 2016/10/09 09:21 | Ethnikos Piraeus v Panionios | L | 11-6 |
Home History
| Champions League | 2022/09/30 06:57 | Panionios v KVIK Kastrup | W | 8-0 |
| Water Polo Matches | 2022/09/25 16:00 | NO Vouliagmenis v Panionios | L | 10-7 |
| Water Polo Matches | 2022/09/25 08:00 | PAOK v Panionios | W | 12-13 |
| Water Polo Matches | 2022/09/24 17:00 | Panionios v NO Chios | W | 15-12 |
| Water Polo Matches | 2022/09/23 17:30 | Ethnikos Piraeus v Panionios | W | 9-15 |
| Water Polo Matches | 2022/09/23 09:00 | Panionios v Ydraikos | W | 17-7 |
| Greece A1 | 2022/05/24 18:00 | Apollon Smyrnis v Panionios | L | 16-15 |
| Greece A1 | 2022/05/22 16:30 | Panionios v Apollon Smyrnis | D | 13-13 |
Away History
| Water Polo Matches | 2022/09/25 15:00 | Ethnikos Piraeus v PAOK | L | 6-8 |
| Water Polo Matches | 2022/09/25 07:00 | NO Vouliagmenis v Ethnikos Piraeus | L | 17-5 |
| Water Polo Matches | 2022/09/24 18:00 | Ethnikos Piraeus v Ilisiakos Ao | W | 14-13 |
| Water Polo Matches | 2022/09/24 09:00 | NO Chios v Ethnikos Piraeus | W | 7-11 |
| Water Polo Matches | 2022/09/23 17:30 | Ethnikos Piraeus v Panionios | L | 9-15 |
| Water Polo Matches | 2022/09/22 17:30 | Ydraikos v Ethnikos Piraeus | W | 11-13 |
| Greece A1 | 2022/05/14 10:30 | Ethnikos Piraeus v PAOK | L | 8-9 |
| Greece A1 | 2022/05/07 14:26 | Ethnikos Piraeus v NO Vouliagmenis | L | 7-14 |