| Boom Cup | 2020/04/30 13:30 | Ricardo Kojima v Akira Chikaraishi | L | 3-2 |
| Boom Cup | 2020/04/22 16:00 | Akira Chikaraishi v Ricardo Kojima | L | 2-3 |
| Boom Cup | 2020/04/21 16:30 | Akira Chikaraishi v Ricardo Kojima | L | 0-3 |
| Boom Cup | 2020/05/02 14:30 | Akira Chikaraishi v Joao Paulo Trecco | W | 3-1 |
| Boom Cup | 2020/05/02 13:30 | Lucas Kawahara v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/02 13:00 | Jonathan Dias v Akira Chikaraishi | W | 1-3 |
| Boom Cup | 2020/05/02 12:00 | Alec Fudihara v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/01 16:00 | Akira Chikaraishi v Tiago Fudimori | W | 3-0 |
| Boom Cup | 2020/05/01 15:30 | Lucas Kawahara v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/01 14:30 | Akira Chikaraishi v Avelino Neto | W | 3-0 |
| Boom Cup | 2020/05/01 13:00 | Akira Chikaraishi v Leandro Pereira | W | 3-0 |
| Boom Cup | 2020/05/02 14:30 | Ricardo Kojima v Jonathan Dias | W | 3-0 |
| Boom Cup | 2020/05/02 13:30 | Ricardo Kojima v Alec Fudihara | W | 3-2 |
| Boom Cup | 2020/05/02 13:00 | Lucas Kawahara v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/02 12:00 | Joao Paulo Trecco v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/01 20:30 | Hiromi Yokoyama v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/01 19:30 | Ricardo Kojima v Lucas Orsatti | W | 3-2 |
| Boom Cup | 2020/05/01 18:30 | Joao Paulo Trecco v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/05/01 17:30 | Ricardo Kojima v Tiago Cardoso | W | 3-1 |