| Boom Cup | 2020/05/29 00:20 | Akira Chikaraishi v Lucas Kawahara | W | 3-0 |
| Boom Cup | 2020/05/26 23:30 | Lucas Kawahara v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/21 00:20 | Akira Chikaraishi v Lucas Kawahara | W | 3-0 |
| Boom Cup | 2020/05/19 19:45 | Lucas Kawahara v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/18 18:55 | Akira Chikaraishi v Lucas Kawahara | W | 3-0 |
| Boom Cup | 2020/05/08 13:00 | Lucas Kawahara v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/07 19:30 | Akira Chikaraishi v Lucas Kawahara | W | 3-0 |
| Boom Cup | 2020/05/02 13:30 | Lucas Kawahara v Akira Chikaraishi | W | 0-3 |
| 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 |
| Boom Cup | 2020/05/30 18:55 | Akira Chikaraishi v Rafael Franco | W | 3-0 |
| Boom Cup | 2020/05/30 18:30 | Jonathan Dias v Akira Chikaraishi | W | 1-3 |
| Boom Cup | 2020/05/29 23:55 | Hiromi Yokoyama v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/05/29 23:30 | Akira Chikaraishi v Lucas Orsatti | W | 3-0 |
| Boom Cup | 2020/06/01 18:55 | Lucas Kawahara v Jonathan Dias | L | 0-3 |
| Boom Cup | 2020/05/31 00:20 | Lucas Kawahara v Leandro Pereira | W | 3-1 |
| Boom Cup | 2020/05/30 23:55 | Ito Henrique v Lucas Kawahara | W | 0-3 |
| Boom Cup | 2020/05/30 22:40 | Lucas Kawahara v Alexandre Matsuo | W | 3-0 |
| Boom Cup | 2020/05/30 22:15 | Danilo Umehara v Lucas Kawahara | W | 1-3 |
| Boom Cup | 2020/05/30 21:50 | Lucas Kawahara v Vitor Yamamoto | W | 3-0 |
| Boom Cup | 2020/05/29 00:20 | Akira Chikaraishi v Lucas Kawahara | L | 3-0 |
| Boom Cup | 2020/05/28 23:55 | Lucas Kawahara v Leandro Pereira | W | 3-0 |