| Boom Cup | 2020/06/02 21:50 | Hiromi Yokoyama v Akira Chikaraishi | L | 0-3 |
| 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 | 2020/06/04 19:20 | Jonathan Dias v Hiromi Yokoyama | W | 2-3 |
| Boom Cup | 2020/06/04 18:55 | Hiromi Yokoyama v Ricardo Kojima | L | 0-3 |
| Boom Cup | 2020/06/03 21:25 | Hiromi Yokoyama v Vitor Yamamoto | W | 3-0 |
| Boom Cup | 2020/06/03 20:35 | Lucas Orsatti v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/06/03 19:45 | Hiromi Yokoyama v Leandro Pereira | W | 3-1 |
| Boom Cup | 2020/06/03 19:20 | Mauricio Goncalves v Hiromi Yokoyama | W | 1-3 |
| Boom Cup | 2020/06/03 18:55 | Hiromi Yokoyama v Tiago Cardoso | L | 1-3 |
| Boom Cup | 2020/06/03 00:20 | Hiromi Yokoyama v Vitor Yamamoto | W | 3-0 |
| Boom Cup | 2020/06/04 18:55 | Akira Chikaraishi v Danilo Umehara | W | 3-0 |
| Boom Cup | 2020/06/04 18:30 | Lucas Orsatti v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/06/03 00:20 | Akira Chikaraishi v Lucas Orsatti | W | 3-0 |
| Boom Cup | 2020/06/02 23:30 | Alexandre Matsuo v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/06/02 23:05 | Akira Chikaraishi v Rodrigo Horiuchi | W | 3-0 |
| Boom Cup | 2020/06/02 22:40 | Akira Chikaraishi v Vitor Yamamoto | W | 3-0 |
| Boom Cup | 2020/06/02 21:50 | Hiromi Yokoyama v Akira Chikaraishi | W | 0-3 |
| Boom Cup | 2020/06/01 21:00 | Akira Chikaraishi v Rafael Franco | W | 3-0 |