| Challenger Sao Paulo | 2022/06/18 21:00 | Mizutani, Fabio v Yokoyama, Hiromi | W | 3-1 |
| Challenger Sao Paulo | 2022/06/11 23:00 | Yokoyama, Hiromi v Mizutani, Fabio | W | 0-3 |
| Challenger Sao Paulo | 2022/06/02 01:40 | Yokoyama, Hiromi v Mizutani, Fabio | W | 1-3 |
| Challenger Sao Paulo | 2022/05/20 02:20 | Mizutani, Fabio v Yokoyama, Hiromi | W | 3-0 |
| Challenger Sao Paulo | 2022/05/14 21:00 | Mizutani, Fabio v Yokoyama, Hiromi | W | 3-0 |
| Challenger Sao Paulo | 2022/05/11 23:00 | Yokoyama, Hiromi v Mizutani, Fabio | W | 2-3 |
| Challenger Sao Paulo | 2022/04/17 02:20 | Yokoyama, Hiromi v Mizutani, Fabio | W | 2-3 |
| Challenger Sao Paulo | 2022/04/15 00:00 | Yokoyama, Hiromi v Mizutani, Fabio | W | 0-3 |
| Challenger Sao Paulo | 2022/06/30 02:20 | Mizutani, Fabio v Paulo Martinez | W | 3-1 |
| Challenger Sao Paulo | 2022/06/30 01:40 | Marco Cruz v Mizutani, Fabio | W | 0-3 |
| Challenger Sao Paulo | 2022/06/30 01:00 | Guilherme Mattos v Mizutani, Fabio | W | 2-3 |
| Challenger Sao Paulo | 2022/06/30 00:00 | Newton Takaki v Mizutani, Fabio | W | 1-3 |
| Challenger Sao Paulo | 2022/06/29 23:00 | Mizutani, Fabio v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/29 21:40 | Mizutani, Fabio v Rodrigo Procidonio Ruiz | L | 2-3 |
| Challenger Sao Paulo | 2022/06/29 21:00 | Mizutani, Fabio v Rogerio Capobianco | W | 3-0 |
| Challenger Sao Paulo | 2022/06/26 02:40 | Allan Sarmento v Mizutani, Fabio | L | 3-0 |
| Challenger Sao Paulo | 2022/06/19 02:40 | Yokoyama, Hiromi v Mauricio Teodoro | W | 3-0 |
| Challenger Sao Paulo | 2022/06/19 01:20 | Waldir Forner Junior v Yokoyama, Hiromi | W | 2-3 |
| Challenger Sao Paulo | 2022/06/19 00:40 | Marcelo Phaiffer v Yokoyama, Hiromi | L | 3-1 |
| Challenger Sao Paulo | 2022/06/19 00:00 | Guilherme Mattos v Yokoyama, Hiromi | L | 3-0 |
| Challenger Sao Paulo | 2022/06/18 23:20 | Yokoyama, Hiromi v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/18 21:40 | Alejandro Fernandez Junior v Yokoyama, Hiromi | L | 3-0 |
| Challenger Sao Paulo | 2022/06/18 21:00 | Mizutani, Fabio v Yokoyama, Hiromi | L | 3-1 |
| Challenger Sao Paulo | 2022/06/12 02:00 | Kayque Valois v Yokoyama, Hiromi | L | 3-0 |