Head to Head
| Champions League | 2022/12/20 18:00 | Waspo Hannover v Olympiakos | W | 7-16 |
| Champions League | 2021/06/04 11:00 | Waspo Hannover v Olympiakos | L | 10-8 |
| Champions League | 2019/04/24 17:00 | Olympiakos v Waspo Hannover | W | 17-7 |
| Champions League | 2018/11/03 17:30 | Waspo Hannover v Olympiakos | D | 9-9 |
| Champions League | 2018/02/28 16:30 | Waspo Hannover v Olympiakos | W | 7-12 |
| Champions League | 2018/01/13 18:30 | Olympiakos v Waspo Hannover | W | 11-7 |
Home History
| Grækenland - A1 | 2023/03/29 15:00 | Olympiakos v NO Vouliagmenis | W | 15-8 |
| Champions League | 2023/03/22 18:00 | CN Barceloneta v Olympiakos | L | 10-5 |
| Champions League | 2023/03/01 17:00 | NO Vouliagmenis v Olympiakos | W | 6-14 |
| Champions League | 2023/02/18 19:30 | Radnicki v Olympiakos | D | 10-10 |
| Champions League | 2023/02/07 15:30 | Olympiakos v Radnicki | W | 13-7 |
| Champions League | 2023/01/24 17:30 | Olympiakos v NO Vouliagmenis | W | 14-6 |
| Grækenland - A1 | 2023/01/21 12:00 | Olympiakos v PAOK | W | 20-5 |
| Grækenland - A1 | 2023/01/14 12:00 | Olympiakos v Ethnikos Piraeus | W | 16-4 |
Away History
| Champions League | 2023/03/22 17:30 | Pro Recco v Waspo Hannover | L | 21-4 |
| Champions League | 2023/03/01 18:00 | Waspo Hannover v Dinamo Tbilisi | L | 8-10 |
| Champions League | 2023/02/18 17:00 | NO Vouliagmenis v Waspo Hannover | L | 10-9 |
| Champions League | 2023/02/07 18:00 | Waspo Hannover v NO Vouliagmenis | L | 11-14 |
| Champions League | 2023/01/24 15:00 | Dinamo Tbilisi v Waspo Hannover | W | 11-14 |
| Champions League | 2023/01/10 18:00 | Waspo Hannover v Pro Recco | L | 8-11 |
| Champions League | 2022/12/20 18:00 | Waspo Hannover v Olympiakos | L | 7-16 |
| Champions League | 2022/12/13 18:00 | CN Barceloneta v Waspo Hannover | L | 20-5 |