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 |
Home History
| World Rugby Sevens Series | 2018/12/01 09:38 | Japan 7s v Kenya 7s | W | 26-19 |
| World Rugby Sevens Series | 2018/12/01 05:30 | Samoa 7s v Japan 7s | L | 40-12 |
| World Rugby Sevens Series | 2018/11/30 16:15 | Canada 7s v Japan 7s | L | 27-7 |
| World Rugby Sevens Series | 2018/11/30 10:58 | England 7s v Japan 7s | L | 31-7 |
| World Rugby Sevens Series | 2018/11/30 07:36 | Australia 7s v Japan 7s | L | 43-0 |
| Asian Games | 2018/08/31 10:14 | Japan 7s v Chinese Taipei 7s | W | 43-0 |
| Asian Games | 2018/08/31 07:34 | Japan 7s v Chinese Taipei 7s | W | 31-0 |
| Rugby World Cup Sevens | 2018/07/22 22:02 | Kenya 7s v Japan 7s | W | 14-26 |
Away History
| World Rugby Sevens Series | 2018/12/01 10:00 | Zimbabwe 7s v Wales 7s | W | 10-14 |
| World Rugby Sevens Series | 2018/12/01 06:36 | France 7s v Wales 7s | L | 38-17 |
| World Rugby Sevens Series | 2018/11/30 14:00 | Spain 7s v Wales 7s | L | 35-7 |
| World Rugby SVNS Series | 2018/11/30 08:00 | USA 7s v Wales 7s | L | 33-12 |
| World Rugby Sevens Series | 2018/11/30 05:22 | New Zealand 7s v Wales 7s | L | 28-7 |
| Rugby World Cup Sevens | 2018/07/22 22:46 | Canada 7s v Wales 7s | W | 12-35 |
| Rugby World Cup Sevens | 2018/07/22 18:34 | Ireland 7s v Wales 7s | L | 27-12 |
| Rugby World Cup Sevens | 2018/07/21 22:10 | Wales 7s v Samoa 7s | W | 24-19 |