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 |
Home History
| Champions League | 2019/11/19 18:00 | Jadran Carine v CN Barceloneta | W | 12-13 |
| Champions League | 2019/11/08 17:00 | Sintez Kazan v CN Barceloneta | W | 12-20 |
| Champions League | 2019/10/29 18:15 | CN Barceloneta v Szolnok | W | 14-10 |
| Champions League | 2019/10/18 17:00 | Jug Dubrovnik v CN Barceloneta | L | 15-13 |
| Champions League | 2019/10/08 17:00 | Spandau Berlin v CN Barceloneta | W | 8-11 |
| Champions League | 2019/06/08 17:00 | Pro Recco v CN Barceloneta | L | 8-7 |
| Champions League | 2019/06/07 18:30 | FTC Budapest v CN Barceloneta | L | 9-7 |
| Champions League | 2019/06/06 15:30 | CN Barceloneta v Verona | W | 12-7 |
Away History
| Greece A1 | 2019/11/30 10:28 | Olympiakos v ANO Glyfadas | W | 20-4 |
| Champions League | 2019/11/19 18:00 | Olympiakos v Spandau Berlin | W | 13-8 |
| Champions League | 2019/11/08 18:00 | Szolnok v Olympiakos | W | 7-8 |
| Greece A1 | 2019/11/04 15:30 | Olympiakos v Apollon Smyrnis | W | 17-5 |
| Champions League | 2019/10/29 18:00 | Olympiakos v Jadran Carine | W | 8-7 |
| Greece A1 | 2019/10/23 16:53 | Ydraikos v Olympiakos | W | 2-14 |
| Champions League | 2019/10/18 16:00 | Olympiakos v Sintez Kazan | W | 10-8 |
| Champions League | 2019/10/07 17:00 | Jadran Split v Olympiakos | W | 8-17 |