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
| Champions League | 2023/01/24 17:30 | Olympiakos v NO Vouliagmenis | W | 14-6 |
| Greece A1 | 2023/01/21 12:00 | Olympiakos v PAOK | W | 20-5 |
| Greece A1 | 2023/01/14 12:00 | Olympiakos v Ethnikos Piraeus | W | 16-4 |
| Champions League | 2023/01/10 17:00 | Olympiakos v CN Barceloneta | L | 7-9 |
| Greece A1 | 2023/01/07 18:30 | AEK v Olympiakos | W | 7-20 |
| Greece Cup | 2023/01/04 12:00 | Olympiakos v NO Chios | W | 18-5 |
| Champions League | 2022/12/20 18:00 | Waspo Hannover v Olympiakos | W | 7-16 |
| Champions League | 2022/12/13 17:00 | Jadran Split v Olympiakos | W | 8-13 |
Away History
| 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 |
| Champions League | 2022/11/29 19:30 | Radnicki v Waspo Hannover | L | 13-12 |
| Champions League | 2022/11/15 18:00 | Waspo Hannover v Jadran Split | L | 8-10 |
| Champions League | 2022/06/04 12:00 | Waspo Hannover v CN Barceloneta | L | 10-12 |
| Champions League | 2022/06/03 12:30 | Waspo Hannover v CN Marseille | W | 11-9 |