| Nishi-Tama ITF, 1R, 25.03.2015 |
| |
Inoue - Kobayashi |
2:0 |
| Nishi-Tama ITF, Q-R16, 23.03.2015 |
| |
Kobayashi - Nishimoto |
2:1 |
| Nishi-Tama ITF, Q-2R, 22.03.2015 |
| |
Kobayashi - Nishimura |
2:0 |
| Nishi-Tama ITF, Q-1R, 21.03.2015 |
| |
Kobayashi - Mori |
2:0 |
| Kofu ITF, Q-R16, 15.03.2015 |
| |
Kanai - Kobayashi |
2:1 |
| Kofu ITF, Q-2R, 14.03.2015 |
| |
Kobayashi - Baba |
2:0 |
| Kofu ITF, Q-1R, 14.03.2015 |
| |
Kobayashi - Shimizu |
2:0 |
| Nishi-Tama ITF, Q-2R, 23.03.2014 |
| |
Nunome - Kobayashi |
2:1 |
| Nishi-Tama ITF, Q-1R, 22.03.2014 |
| |
Kobayashi - Eshiro |
2:0 |
| Nishi-Tama ITF, Q-2R, 24.03.2013 |
| |
Kozawa - Kobayashi |
2:0 |