Head to Head
| Champions League | 2018/02/28 16:30 | Waspo Hannover v Olympiakos | L | 7-12 |
| Champions League | 2018/01/13 18:30 | Olympiakos v Waspo Hannover | L | 11-7 |
Home History
| Champions League | 2018/10/17 18:45 | HAVK Mladost v Waspo Hannover | D | 11-11 |
| Champions League | 2018/05/09 18:00 | AN Brescia v Waspo Hannover | L | 11-9 |
| Champions League | 2018/04/30 17:30 | Waspo Hannover v OSC Budapest | W | 13-8 |
| Champions League | 2018/04/18 16:30 | Jug Dubrovnik v Waspo Hannover | L | 14-9 |
| Champions League | 2018/03/31 17:30 | Waspo Hannover v Dynamo Moscow | L | 11-15 |
| Champions League | 2018/03/14 17:30 | Partizan v Waspo Hannover | W | 11-15 |
| Champions League | 2018/02/28 16:30 | Waspo Hannover v Olympiakos | L | 7-12 |
| Champions League | 2018/02/07 17:30 | Waspo Hannover v CN Barceloneta | L | 7-13 |
Away History
| 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 |
| Others | 2018/05/24 15:30 | NO Vouliagmenis v Olympiakos | W | 3-8 |
| Others | 2018/05/22 15:30 | Olympiakos v NO Vouliagmenis | W | 12-4 |