| U21 World Championship | 2019/07/21 19:00 | Spain U21 v Japan U21 | L | 28-22 |
| U21 World Championship | 2019/07/19 14:30 | Tunisia U21 v Japan U21 | L | 26-25 |
| U21 World Championship | 2019/07/18 15:00 | Japan U21 v Slovenia U21 | L | 22-29 |
| U21 World Championship | 2019/07/16 16:30 | Serbia U21 v Japan U21 | L | 21-19 |
| International | 2019/06/30 17:00 | Japan U21 v Argentina U21 | D | 23-23 |
| International | 2019/06/29 16:00 | Iceland U21 v Japan U21 | L | 28-16 |
| International | 2019/06/28 19:00 | Portugal U21 v Japan U21 | L | 34-20 |
| Asian U21 Championships | 2018/07/26 14:15 | South Korea U21 v Japan U21 | L | 27-25 |
| U21 World Championship | 2019/07/21 14:30 | USA U21 v Tunisia U21 | L | 23-30 |
| U21 World Championship | 2019/07/19 16:30 | Slovenia U21 v USA U21 | L | 43-16 |
| U21 World Championship | 2019/07/18 17:00 | USA U21 v Serbia U21 | L | 19-36 |
| U21 World Championship | 2019/07/16 19:00 | Spain U21 v USA U21 | L | 34-13 |
| U21 Pan American Champs | 2017/03/24 22:30 | Argentina U21 v USA U21 | L | 31-22 |
| U21 Pan American Champs | 2017/03/21 20:30 | USA U21 v Chile U21 | W | 7-6 |
| U21 Pan American Champs | 2017/03/20 22:00 | Brazil U21 v USA U21 | L | 12-7 |