Club Natacio Atletic-Barceloneta 11-11 Olympiacos 2019-12-03 18:15
Head to Head
| Champions League | 2018/06/08 17:00 | Olympiakos v CN Barceloneta | L | 6-4 |
| Champions League | 2018/05/09 14:30 | Olympiakos v CN Barceloneta | L | 14-10 |
| Champions League | 2017/10/25 17:30 | CN Barceloneta v Olympiakos | D | 7-7 |
| Champions League | 2016/03/12 17:30 | Olympiakos v CN Barceloneta | L | 9-5 |
| Champions League | 2015/12/15 18:15 | CN Barceloneta v Olympiakos | D | 7-7 |
| Champions League | 2015/03/04 18:15 | CN Barceloneta v Olympiakos | W | 12-8 |
| Champions League | 2015/02/11 15:00 | Olympiakos v CN Barceloneta | W | 7-9 |