| 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 | 2022/05/11 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 | 2022/05/06 00:40 | Guilherme Mattos v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/05/06 00:00 | Guilherme Mattos v Lennon Uehara | L | 2-3 |
| Challenger Sao Paulo | 2022/05/05 23:20 | Diogo Silva v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/05/05 22:40 | Guilherme Mattos v De Hong Jung | W | 3-0 |
| Challenger Sao Paulo | 2022/05/11 21:40 | Hiromi Yokoyama v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/05/11 21:00 | Jonas Silva v Hiromi Yokoyama | L | 3-1 |
| Challenger Sao Paulo | 2022/04/17 02:20 | Hiromi Yokoyama v Fabio Mizutani | L | 2-3 |
| Challenger Sao Paulo | 2022/04/17 01:40 | Hiromi Yokoyama v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/04/17 00:40 | Hiromi Yokoyama v Carlos Alberto Torres Ferraz | L | 0-3 |
| Challenger Sao Paulo | 2022/04/17 00:00 | Hiromi Yokoyama v Roberto Tadashi Ishikawa | L | 1-3 |
| Challenger Sao Paulo | 2022/04/16 23:20 | Leandro Nogueira Carvalho v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/04/16 22:40 | Hiromi Yokoyama v Jonas Silva | W | 3-0 |