| Challenger Sao Paulo | 2022/06/30 21:40 | Hiromi Yokoyama v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/18 23:20 | Hiromi Yokoyama v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/01 23:40 | Hiromi Yokoyama v Douglas Tomioka | L | 1-3 |
| Challenger Sao Paulo | 2022/05/14 22:40 | Douglas Tomioka v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/05/11 21:40 | Hiromi Yokoyama v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/04/17 01:40 | Hiromi Yokoyama v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/04/07 23:40 | Douglas Tomioka v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/04/01 01:40 | Douglas Tomioka v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/07/02 01:20 | Pedro Andrade v Hiromi Yokoyama | L | 3-1 |
| Challenger Sao Paulo | 2022/07/02 00:40 | Guilherme Mattos v Hiromi Yokoyama | L | 3-2 |
| Challenger Sao Paulo | 2022/07/02 00:00 | Roberto Tadashi Ishikawa v Hiromi Yokoyama | L | 3-1 |
| Challenger Sao Paulo | 2022/07/01 23:20 | Hiromi Yokoyama v Ricardo Martins De Brito | W | 3-0 |
| Challenger Sao Paulo | 2022/07/01 22:20 | Luciano Martins Vieira Junior v Hiromi Yokoyama | W | 1-3 |
| Challenger Sao Paulo | 2022/07/01 21:40 | Alejandro Fernandez Junior v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/07/01 21:00 | Fabio Mizutani v Hiromi Yokoyama | L | 3-0 |
| Challenger Sao Paulo | 2022/07/01 02:00 | Everton Vianna v Hiromi Yokoyama | W | 2-3 |
| Challenger Sao Paulo | 2022/07/02 02:00 | Guilherme Mattos v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/07/02 01:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/07/02 00:40 | Ricardo Martins De Brito v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/07/01 23:40 | Luciano Martins Vieira Junior v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/07/01 23:00 | Alejandro Fernandez Junior v Douglas Tomioka | L | 3-0 |
| Challenger Sao Paulo | 2022/07/01 22:20 | Fabio Mizutani v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/07/01 21:40 | Pedro Andrade v Douglas Tomioka | W | 1-3 |
| Challenger Sao Paulo | 2022/07/01 02:00 | Andre Cruz v Douglas Tomioka | W | 0-3 |