| Boom Cup | 2020/05/03 17:00 | Akira Chikaraishi v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/05/02 20:30 | Akira Chikaraishi v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/04/28 20:00 | Hiromi Yokoyama v Akira Chikaraishi | L | 0-3 |
| Boom Cup | 2020/04/27 18:00 | Akira Chikaraishi v Hiromi Yokoyama | L | 3-2 |
| Boom Cup | 2020/05/07 18:00 | Alec Fudihara v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/05/07 17:00 | Hiromi Yokoyama v Lucas Kawahara | W | 3-2 |
| Boom Cup | 2020/05/06 20:30 | Lucas Orsatti v Hiromi Yokoyama | W | 1-3 |
| Boom Cup | 2020/05/06 19:30 | Hiromi Yokoyama v Rafael Franco | W | 3-2 |
| Boom Cup | 2020/05/06 19:00 | Joao Paulo Trecco v Hiromi Yokoyama | L | 3-2 |
| Boom Cup | 2020/05/06 18:00 | Mauricio Goncalves v Hiromi Yokoyama | W | 1-3 |
| Boom Cup | 2020/05/06 17:00 | Hiromi Yokoyama v Lucas Kawahara | L | 1-3 |
| Boom Cup | 2020/05/05 20:30 | Avelino Neto v Hiromi Yokoyama | W | 1-3 |
| Boom Cup | 2020/05/07 18:30 | Ito Henrique v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/07 17:30 | Akira Chikaraishi v Alec Fudihara | W | 3-0 |
| Boom Cup | 2020/05/06 16:30 | Jonathan Dias v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/06 16:00 | Akira Chikaraishi v Leandro Pereira | W | 3-0 |
| Boom Cup | 2020/05/06 15:00 | Ito Henrique v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/06 14:30 | Vitor Yamamoto v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/06 13:30 | Akira Chikaraishi v Avelino Neto | W | 3-0 |
| Boom Cup | 2020/05/05 13:00 | Akira Chikaraishi v Ricardo Kojima | L | 2-3 |