| Challenger Sao Paulo | 2022/03/13 01:20 | Alejandro Fernandez Junior v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/03/13 00:20 | Thiago Vieira v Douglas Tomioka | W | 1-3 |
| Challenger Sao Paulo | 2022/03/12 23:40 | Alan Santos v Douglas Tomioka | W | 1-3 |
| Challenger Sao Paulo | 2022/03/12 23:00 | Douglas Tomioka v Jonas Silva | W | 3-0 |
| Challenger Sao Paulo | 2022/03/12 22:40 | Douglas Tomioka v Rafael Nakamura | W | 3-1 |
| Challenger Sao Paulo | 2022/03/12 21:20 | Carlos Alberto Torres Ferraz v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/03/12 01:20 | Thiago Vieira v Douglas Tomioka | W | 2-3 |
| Challenger Sao Paulo | 2022/03/12 00:20 | Carlos Alberto Torres Ferraz v Douglas Tomioka | W | 1-3 |
| Paraguay Open | 2019/09/10 22:45 | Kai Zhang v Daniel Santos | L | 3-1 |
| Paraguay Open | 2019/09/10 16:25 | Gaston Alto v Daniel Santos | L | 3-1 |