| U21 World Championship | 2023/06/28 09:00 | Poland U21 v Kuwait U21 | W | 27-21 |
| U21 World Championship | 2023/06/26 09:00 | Poland U21 v Algeria U21 | W | 36-23 |
| U21 World Championship | 2023/06/25 11:30 | Poland U21 v Libya U21 | W | 37-17 |
| U21 World Championship | 2023/06/23 16:00 | France U21 v Poland U21 | L | 37-33 |
| U21 World Championship | 2023/06/22 15:15 | Poland U21 v Croatia U21 | D | 30-30 |
| U21 World Championship | 2023/06/20 11:15 | Poland U21 v USA U21 | W | 47-22 |
| U21 WC Qualification | 2023/01/06 14:00 | Czech Republic U21 v Poland U21 | W | 25-33 |
| U21 WC Qualification | 2017/01/06 11:00 | Poland U21 v Portugal U21 | L | 21-34 |
| U21 World Championship | 2023/06/28 11:15 | Algeria U21 v Japan U21 | W | 30-37 |
| U21 World Championship | 2023/06/26 09:00 | Kuwait U21 v Japan U21 | W | 23-37 |
| U21 World Championship | 2023/06/25 11:15 | Japan U21 v Costa Rica U21 | W | 41-22 |
| U21 World Championship | 2023/06/23 11:15 | Japan U21 v Angola U21 | W | 33-32 |
| U21 World Championship | 2023/06/22 09:00 | Faroe Islands U21 v Japan U21 | L | 39-34 |
| U21 World Championship | 2023/06/20 15:15 | Spain U21 v Japan U21 | L | 43-28 |
| Asian U21 Championships | 2022/07/24 15:30 | Japan U21 v Bahrain U21 | W | 24-20 |
| Asian U21 Championships | 2022/07/22 13:30 | Kuwait U21 v Japan U21 | W | 26-28 |