| U20-VM | 06/17 10:30 | - | Japan U20 v Nederland U20 | D | 10-10 | |
| U20-VM | 06/16 07:30 | - | Japan U20 v Romania U20 | W | 14-11 | |
| U20-VM | 06/14 12:00 | - | Japan U20 v Kroatia U20 | L | 12-21 | |
| U20-VM | 06/13 15:00 | - | Nederland U20 v Japan U20 | L | 18-12 | |
| U20-VM | 06/12 09:00 | - | Tyskland U20 v Japan U20 | W | 12-13 | |
| U20-VM | 06/11 10:30 | - | Japan U20 v Sør-Afrika U20 | W | 26-12 | |
| U20-VM | 12/20 10:30 | - | Japan U20 v USA U20 | L | 14-19 | |
| U20-VM | 12/19 13:00 | - | Montenegro U20 v Japan U20 | L | 16-11 | |
| U20-VM | 12/18 15:40 | - | Italia U20 v Japan U20 | L | 15-5 | |
| U20-VM | 12/17 14:30 | - | Japan U20 v Australia U20 | W | 11-10 | |
| U20-VM | 12/16 06:30 | - | Kroatia U20 v Japan U20 | - | View | |
| U20-VM | 12/15 10:29 | - | Japan U20 v Sør-Afrika U20 | W | 26-11 | |
| U20-VM | 12/13 17:10 | - | Serbia U20 v Japan U20 | L | 13-7 | |
| U20-VM | 12/12 07:40 | - | Japan U20 v Kina U20 | W | 12-9 | |
| Others | 08/12 09:55 | - | Nederland U20 v Japan U20 | W | 6-15 | |
| Others | 08/11 09:52 | - | Egypt U20 v Japan U20 | W | 11-19 | |
| Others | 08/10 10:54 | - | Japan U20 v Argentina U20 | W | 23-8 | |
| Others | 08/09 09:31 | - | Japan U20 v Montenegro U20 | L | 17-18 | |
| Others | 08/08 14:34 | - | Nederland U20 v Japan U20 | L | 14-12 | |
| Others | 08/07 17:14 | - | Japan U20 v Kroatia U20 | L | 10-14 | |
| Others | 08/05 09:37 | - | Spania U20 v Japan U20 | L | 19-11 |