| Challenger Sao Paulo | 2022/04/08 00:00 | Guilherme Mattos v Fabio Mizutani | W | 3-1 |
| Challenger Sao Paulo | 2022/04/07 00:00 | Guilherme Mattos v Fabio Mizutani | W | 3-1 |
| Challenger Sao Paulo | 2022/03/26 23:40 | Fabio Mizutani v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/03/25 22:20 | Fabio Mizutani v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/03/25 00:20 | Guilherme Mattos v Fabio Mizutani | L | 0-3 |
| Challenger Sao Paulo | 2022/03/18 21:40 | Fabio Mizutani v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/05/12 00:40 | Guilherme Mattos v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/05/12 00:00 | Guilherme Mattos v Jonas Silva | W | 3-2 |
| Challenger Sao Paulo | 2022/05/11 23:20 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/05/11 22:40 | Guilherme Mattos v Hiromi Yokoyama | W | 3-0 |
| Challenger Sao Paulo | 2022/05/11 22:00 | Guilherme Mattos v Marco Cruz | W | 3-1 |
| Challenger Sao Paulo | 2022/05/11 21:20 | Guilherme Mattos v Leandro Nogueira Carvalho | W | 3-1 |
| Challenger Sao Paulo | 2022/05/06 02:20 | Guilherme Mattos v Rodrigo Procidonio Ruiz | W | 3-0 |
| Challenger Sao Paulo | 2022/05/06 01:40 | Guilherme Mattos v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/05/12 01:00 | Fabio Mizutani v De Hong Jung | W | 3-2 |
| Challenger Sao Paulo | 2022/05/12 00:20 | Jonas Silva v Fabio Mizutani | W | 2-3 |
| Challenger Sao Paulo | 2022/05/11 23:00 | Hiromi Yokoyama v Fabio Mizutani | W | 2-3 |
| Challenger Sao Paulo | 2022/05/11 22:20 | Fabio Mizutani v Douglas Tomioka | L | 1-3 |
| Challenger Sao Paulo | 2022/05/11 22:00 | Fabio Mizutani v Leandro Nogueira Carvalho | W | 3-1 |
| Challenger Sao Paulo | 2022/05/11 21:00 | Fabio Mizutani v Alejandro Fernandez Junior | W | 3-2 |
| Challenger Sao Paulo | 2022/04/28 02:20 | Fabio Mizutani v Rodrigo Procidonio Ruiz | W | 3-2 |
| Challenger Sao Paulo | 2022/04/28 01:40 | De Hong Jung v Fabio Mizutani | L | 3-2 |