Head to Head
| World Rugby Sevens Series | 2018/04/29 03:00 | Japan 7s v Wales 7s | L | 19-28 |
| World Rugby Sevens Series | 2017/04/09 09:00 | Wales 7s v Japan 7s | W | 21-28 |
| World Rugby Sevens Series | 2017/04/08 08:48 | Wales 7s v Japan 7s | L | 34-21 |
| World Rugby Sevens Series | 2017/03/12 17:36 | Wales 7s v Japan 7s | L | 33-0 |
| World Rugby Sevens Series | 2017/03/05 22:28 | Japan 7s v Wales 7s | L | 19-21 |
| World Rugby Sevens Series | 2016/04/16 03:50 | Wales 7s v Japan 7s | W | 19-26 |
| World Rugby Sevens Series | 2016/02/06 08:57 | Japan 7s v Wales 7s | L | 21-26 |
| World Rugby Sevens Series | 2016/01/30 05:20 | Wales 7s v Japan 7s | L | 33-28 |
| World Rugby Sevens Series | 2015/05/16 15:40 | Wales 7s v Japan 7s | L | 24-21 |
| World Rugby Sevens Series | 2015/02/15 18:42 | Wales 7s v Japan 7s | L | 47-33 |