| World Champs U20 | 06/17 10:30 | - | Japan U20 v Netherlands U20 | D | 10-10 | |
| World Champs U20 | 06/16 07:30 | - | Japan U20 v Romania U20 | W | 14-11 | |
| World Champs U20 | 06/14 12:00 | - | Japan U20 v Croatia U20 | L | 12-21 | |
| World Champs U20 | 06/13 15:00 | - | Netherlands U20 v Japan U20 | L | 18-12 | |
| World Champs U20 | 06/12 09:00 | - | Germany U20 v Japan U20 | W | 12-13 | |
| World Champs U20 | 06/11 10:30 | - | Japan U20 v South Africa U20 | W | 26-12 | |
| U20 World Championships | 12/20 10:30 | - | Japan U20 v USA U20 | L | 14-19 | |
| U20 World Championships | 12/19 13:00 | - | Montenegro U20 v Japan U20 | L | 16-11 | |
| U20 World Championships | 12/18 15:40 | - | Italy U20 v Japan U20 | L | 15-5 | |
| U20 World Championships | 12/17 14:30 | - | Japan U20 v Australia U20 | W | 11-10 | |
| U20 World Championships | 12/16 06:30 | - | Croatia U20 v Japan U20 | - | View | |
| U20 World Championships | 12/15 10:29 | - | Japan U20 v South Africa U20 | W | 26-11 |