| Champions League | 2023/09/10 09:00 | Primorac Kotor v Duisburg | L | 16-10 |
| Champions League | 2023/09/09 08:00 | Duisburg v Radnicki | L | 8-13 |
| Champions League | 2023/09/08 16:00 | AN Brescia v Duisburg | L | 11-4 |
| Champions League | 2023/09/07 16:00 | Duisburg v CN Noisy Le Sec | L | 8-17 |
| LEN Euro Cup | 2022/10/30 11:00 | EN Tourcoing v Duisburg | L | 21-11 |
| LEN Euro Cup | 2022/10/29 18:00 | CN Barcellona v Duisburg | L | 16-14 |
| LEN Euro Cup | 2022/10/28 18:30 | Telimar Palermo v Duisburg | L | 11-10 |
| Champions League | 2022/10/16 06:30 | Duisburg v HAVK Mladost | L | 7-16 |