| Boom Cup | 2020/06/01 18:30 | Yokoyama, Hiromi v Chikaraishi, Akira | L | 0-3 |
| Boom Cup | 2020/05/29 23:55 | Yokoyama, Hiromi v Chikaraishi, Akira | L | 0-3 |
| Boom Cup | 2020/05/23 21:00 | Chikaraishi, Akira v Yokoyama, Hiromi | L | 3-1 |
| Boom Cup | 2020/05/22 19:45 | Yokoyama, Hiromi v Chikaraishi, Akira | L | 0-3 |
| Boom Cup | 2020/05/15 15:30 | Yokoyama, Hiromi v Chikaraishi, Akira | L | 0-3 |
| Boom Cup | 2020/05/14 20:30 | Yokoyama, Hiromi v Chikaraishi, Akira | L | 0-3 |
| Boom Cup | 2020/05/07 19:00 | Yokoyama, Hiromi v Chikaraishi, Akira | L | 1-3 |
| Boom Cup | 2020/05/03 17:00 | Chikaraishi, Akira v Yokoyama, Hiromi | L | 3-0 |
| Boom Cup | 2020/05/02 20:30 | Chikaraishi, Akira v Yokoyama, Hiromi | L | 3-0 |
| Boom Cup | 2020/04/28 20:00 | Yokoyama, Hiromi v Chikaraishi, Akira | L | 0-3 |
| Boom Cup | 2020/04/27 18:00 | Chikaraishi, Akira v Yokoyama, Hiromi | L | 3-2 |