| Challenger - São Paulo | 2022/03/30 22:20 | Fabio Mizutani v Hiromi Yokoyama | L | 3-0 |
| Challenger - São Paulo | 2022/03/30 21:40 | De Hong Jung v Hiromi Yokoyama | L | 3-0 |
| Challenger - São Paulo | 2022/03/30 21:00 | Jefferson Silva v Hiromi Yokoyama | L | 3-1 |
| Boom Cup | 2020/06/13 21:00 | Lucas Orsatti v Hiromi Yokoyama | W | 2-3 |
| Boom Cup | 2020/06/13 20:10 | Hiromi Yokoyama v Mauricio Goncalves | W | 3-0 |
| Boom Cup | 2020/06/13 19:45 | Ricardo Kojima v Hiromi Yokoyama | L | 3-0 |
| Boom Cup | 2020/06/13 18:55 | Hiromi Yokoyama v Tiago Cardoso | L | 2-3 |
| Boom Cup | 2020/06/13 18:30 | Rodrigo Horiuchi v Hiromi Yokoyama | L | 3-0 |
| Challenger - São Paulo | 2022/03/30 22:40 | Guilherme Mattos v Thiago Vieira | L | 1-3 |
| Challenger - São Paulo | 2022/03/30 22:00 | Guilherme Mattos v Manuel Freitas Chambel Paiva | L | 1-3 |
| Challenger - São Paulo | 2022/03/30 21:20 | Guilherme Mattos v Alejandro Fernandez Junior | L | 0-3 |
| Challenger - São Paulo | 2022/03/27 02:40 | Gustavo Jeremias Morais v Guilherme Mattos | L | 3-1 |
| Challenger - São Paulo | 2022/03/27 02:00 | Milton Cardoso v Guilherme Mattos | L | 3-2 |
| Challenger - São Paulo | 2022/03/27 01:20 | Everton Vianna v Guilherme Mattos | W | 1-3 |
| Challenger - São Paulo | 2022/03/26 23:40 | Fabio Mizutani v Guilherme Mattos | L | 3-0 |
| Challenger - São Paulo | 2022/03/26 23:00 | De Hong Jung v Guilherme Mattos | L | 3-1 |