| Kofu 2 ITF, 1R, 13.06.2017 |
| |
Hayashi - Sakata |
2:0 |
| Kofu 2 ITF, Q-R16, 12.06.2017 |
| |
Sakata - Nishizato |
2:0 |
| Kofu 2 ITF, Q-2R, 11.06.2017 |
| |
Sakata - Shimizu |
2:1 |
| Kofu 2 ITF, Q-1R, 11.06.2017 |
| |
Sakata - Ogata |
2:0 |
| Tokyo ITF, Q-1R, 04.06.2017 |
| |
Hanatani - Sakata |
2:0 |
| Karuizawa ITF, Q-R16, 22.05.2017 |
| |
Takayama - Sakata |
2:0 |
| Karuizawa ITF, Q-2R, 21.05.2017 |
| |
Sakata - Ando |
2:1 |
| Kashiwa ITF, 1R, 04.04.2017 |
| |
Kumkhum - Sakata |
2:0 |
| Kofu ITF, Q-1R, 25.03.2017 |
| |
Kato - Sakata |
2:0 |
| Nishi-Tama ITF, Q-1R, 18.03.2017 |
| |
Higuchi - Sakata |
2:0 |