| Challenger Sao Paulo | 2022/06/30 23:00 | Hiromi Yokoyama v Guilherme Mattos | W | 2-3 |
| Challenger Sao Paulo | 2022/06/19 00:00 | Guilherme Mattos v Hiromi Yokoyama | W | 3-0 |
| Challenger Sao Paulo | 2022/05/11 22:40 | Guilherme Mattos v Hiromi Yokoyama | W | 3-0 |
| Challenger Sao Paulo | 2022/04/08 00:40 | Guilherme Mattos v Hiromi Yokoyama | W | 3-0 |
| Challenger Sao Paulo | 2022/04/07 00:40 | Guilherme Mattos v Hiromi Yokoyama | W | 3-0 |
| Challenger Sao Paulo | 2022/03/31 22:20 | Hiromi Yokoyama v Guilherme Mattos | W | 0-3 |
| Challenger Sao Paulo | 2022/03/30 23:20 | Hiromi Yokoyama v Guilherme Mattos | W | 0-3 |
| Challenger Sao Paulo | 2022/07/01 23:40 | Guilherme Mattos v Pedro Andrade | W | 3-1 |
| Challenger Sao Paulo | 2022/07/01 22:40 | Guilherme Mattos v Roberto Tadashi Ishikawa | W | 3-2 |
| Challenger Sao Paulo | 2022/07/01 22:00 | Ricardo Martins De Brito v Guilherme Mattos | W | 1-3 |
| Challenger Sao Paulo | 2022/07/01 21:20 | Luciano Martins Vieira Junior v Guilherme Mattos | W | 0-3 |
| Challenger Sao Paulo | 2022/07/01 02:40 | Andre Cruz v Guilherme Mattos | W | 1-3 |
| Challenger Sao Paulo | 2022/07/01 01:40 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/07/01 01:00 | Guilherme Mattos v Pedro Andrade | L | 1-3 |
| Challenger Sao Paulo | 2022/07/01 00:20 | Fabio Mizutani v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/07/02 00:00 | Roberto Tadashi Ishikawa v Hiromi Yokoyama | L | 3-1 |
| Challenger Sao Paulo | 2022/07/01 23:20 | Hiromi Yokoyama v Ricardo Martins De Brito | W | 3-0 |
| Challenger Sao Paulo | 2022/07/01 22:20 | Luciano Martins Vieira Junior v Hiromi Yokoyama | W | 1-3 |
| Challenger Sao Paulo | 2022/07/01 21:40 | Alejandro Fernandez Junior v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/07/01 21:00 | Fabio Mizutani v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/07/01 02:00 | Everton Vianna v Hiromi Yokoyama | W | 2-3 |
| Challenger Sao Paulo | 2022/07/01 01:20 | Hiromi Yokoyama v Rodrigo Procidonio Ruiz | W | 3-0 |
| Challenger Sao Paulo | 2022/07/01 00:20 | Hiromi Yokoyama v Pedro Andrade | L | 2-3 |