| U21 VM | 2023/06/23 11:15 | Japan U21 v Angola U21 | W | 33-32 |
| U21 VM | 2023/06/22 09:00 | Færøyene U21 v Japan U21 | L | 39-34 |
| U21 VM | 2023/06/20 15:15 | Spania U21 v Japan U21 | L | 43-28 |
| Asiamesterskapet - U21 | 2022/07/24 15:30 | Japan U21 v Bahrain U21 | W | 24-20 |
| Asiamesterskapet - U21 | 2022/07/22 13:30 | Kuwait U21 v Japan U21 | W | 26-28 |
| Asiamesterskapet - U21 | 2022/07/19 15:00 | Bahrain U21 v Japan U21 | D | 31-31 |
| Asiamesterskapet - U21 | 2022/07/17 13:00 | Pakistan U21 v Japan U21 | W | 21-47 |
| Asiamesterskapet - U21 | 2022/07/15 13:00 | Japan U21 v India U21 | W | 6-0 |
| U21 VM | 2023/06/23 13:30 | Kuwait U21 v Costa Rica U21 | L | 41-28 |
| U21 VM | 2023/06/21 11:15 | Costa Rica U21 v Portugal U21 | L | 21-52 |
| U21 VM | 2023/06/20 15:15 | Brasil U21 v Costa Rica U21 | L | 38-17 |