| Challenger Sao Paulo | 2022/06/19 00:00 | Guilherme Mattos v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/05/11 22:40 | Guilherme Mattos v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/04/08 00:40 | Guilherme Mattos v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/04/07 00:40 | Guilherme Mattos v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/03/31 22:20 | Hiromi Yokoyama v Guilherme Mattos | L | 0-3 |
| Challenger Sao Paulo | 2022/03/30 23:20 | Hiromi Yokoyama v Guilherme Mattos | L | 0-3 |
| Challenger Sao Paulo | 2022/06/30 22:40 | Alejandro Fernandez Junior v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/06/30 21:40 | Hiromi Yokoyama v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/30 21:00 | Fabio Mizutani v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/06/19 02:40 | Hiromi Yokoyama v Mauricio Teodoro | W | 3-0 |
| Challenger Sao Paulo | 2022/06/19 01:20 | Waldir Forner Junior v Hiromi Yokoyama | W | 2-3 |
| Challenger Sao Paulo | 2022/06/19 00:40 | Marcelo Phaiffer v Hiromi Yokoyama | L | 3-1 |
| Challenger Sao Paulo | 2022/06/19 00:00 | Guilherme Mattos v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/06/18 23:20 | Hiromi Yokoyama v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/30 22:20 | Guilherme Mattos v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/30 22:00 | Guilherme Mattos v Everton Vianna | W | 3-2 |
| Challenger Sao Paulo | 2022/06/30 21:00 | Guilherme Mattos v Rodrigo Procidonio Ruiz | L | 0-3 |
| Challenger Sao Paulo | 2022/06/30 02:40 | Guilherme Mattos v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/06/30 02:00 | Guilherme Mattos v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/30 01:00 | Guilherme Mattos v Fabio Mizutani | L | 2-3 |
| Challenger Sao Paulo | 2022/06/30 00:40 | Guilherme Mattos v Rodrigo Procidonio Ruiz | W | 3-2 |
| Challenger Sao Paulo | 2022/06/29 23:40 | Guilherme Mattos v Rogerio Capobianco | W | 3-1 |