| Challenger Sao Paulo | 2022/06/01 23:40 | Yokoyama, Hiromi v Douglas Tomioka | L | 1-3 |
| Challenger Sao Paulo | 2022/05/14 22:40 | Douglas Tomioka v Yokoyama, Hiromi | L | 3-0 |
| Challenger Sao Paulo | 2022/05/11 21:40 | Yokoyama, Hiromi v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/04/17 01:40 | Yokoyama, Hiromi v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/04/07 23:40 | Douglas Tomioka v Yokoyama, Hiromi | L | 3-0 |
| Challenger Sao Paulo | 2022/04/01 01:40 | Douglas Tomioka v Yokoyama, Hiromi | L | 3-0 |