| 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 | 2022/04/07 00:00 | Guilherme Mattos v Fabio Mizutani | W | 3-1 |
| Challenger Sao Paulo | 2022/04/06 23:20 | Andre Cruz v Guilherme Mattos | W | 0-3 |
| Challenger Sao Paulo | 2022/04/06 22:40 | Guilherme Mattos v Carlos Alberto Torres Ferraz | L | 2-3 |
| Challenger Sao Paulo | 2022/04/06 22:00 | Guilherme Mattos v Marco Cruz | W | 3-1 |
| Challenger Sao Paulo | 2022/04/06 21:20 | Guilherme Mattos v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/04/01 02:40 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/04/01 02:00 | Milton Cardoso v Guilherme Mattos | W | 1-3 |
| Challenger Sao Paulo | 2022/04/01 01:20 | Manuel Freitas Chambel Paiva v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/04/06 23:40 | De Hong Jung v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/04/06 23:00 | Fabio Mizutani v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/04/06 22:20 | Roberto Tadashi Ishikawa v Hiromi Yokoyama | L | 3-1 |
| Challenger Sao Paulo | 2022/04/06 21:40 | Carlos Alberto Torres Ferraz v Hiromi Yokoyama | L | 3-2 |
| Challenger Sao Paulo | 2022/04/03 02:40 | Jocimar Silva v Hiromi Yokoyama | W | 1-3 |
| Challenger Sao Paulo | 2022/04/03 01:40 | Andre Cruz v Hiromi Yokoyama | W | 0-3 |
| Challenger Sao Paulo | 2022/04/03 01:00 | Hiromi Yokoyama v Fernando Santos | W | 3-0 |
| Challenger Sao Paulo | 2022/04/03 00:20 | Jonas Silva v Hiromi Yokoyama | L | 3-0 |