| Boom Cup | 2020/06/01 18:30 | Hiromi Yokoyama v Akira Chikaraishi | L | 0-3 |
| Boom Cup | 2020/05/29 23:55 | Hiromi Yokoyama v Akira Chikaraishi | L | 0-3 |
| Boom Cup | 2020/05/23 21:00 | Akira Chikaraishi v Hiromi Yokoyama | L | 3-1 |
| Boom Cup | 2020/05/22 19:45 | Hiromi Yokoyama v Akira Chikaraishi | L | 0-3 |
| Boom Cup | 2020/05/15 15:30 | Hiromi Yokoyama v Akira Chikaraishi | L | 0-3 |
| Boom Cup | 2020/05/14 20:30 | Hiromi Yokoyama v Akira Chikaraishi | L | 0-3 |
| Boom Cup | 2020/05/07 19:00 | Hiromi Yokoyama v Akira Chikaraishi | L | 1-3 |
| Boom Cup | 2020/05/03 17:00 | Akira Chikaraishi v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/06/01 21:00 | Jonathan Dias v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/06/01 20:35 | Hiromi Yokoyama v Lucas Kawahara | W | 3-1 |
| Boom Cup | 2020/06/01 20:10 | Lucas Orsatti v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/06/01 18:55 | Rafael Franco v Hiromi Yokoyama | L | 3-1 |
| Boom Cup | 2020/06/01 18:30 | Hiromi Yokoyama v Akira Chikaraishi | L | 0-3 |
| Boom Cup | 2020/05/29 23:55 | Hiromi Yokoyama v Akira Chikaraishi | L | 0-3 |
| Boom Cup | 2020/05/29 23:30 | Rafael Franco v Hiromi Yokoyama | W | 1-3 |
| Boom Cup | 2020/05/29 23:05 | Lucas Orsatti v Hiromi Yokoyama | L | 3-1 |
| Boom Cup | 2020/06/01 21:00 | Akira Chikaraishi v Rafael Franco | W | 3-0 |
| Boom Cup | 2020/06/01 20:35 | Lucas Orsatti v Akira Chikaraishi | W | 1-3 |
| Boom Cup | 2020/06/01 19:45 | Jonathan Dias v Akira Chikaraishi | W | 1-3 |
| Boom Cup | 2020/06/01 19:20 | Akira Chikaraishi v Lucas Kawahara | W | 3-0 |
| Boom Cup | 2020/06/01 18:30 | Hiromi Yokoyama v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/30 21:00 | Ricardo Kojima v Akira Chikaraishi | L | 3-2 |
| Boom Cup | 2020/05/30 20:10 | Akira Chikaraishi v Tiago Cardoso | L | 1-3 |
| Boom Cup | 2020/05/30 19:45 | Mauricio Goncalves v Akira Chikaraishi | W | 0-3 |