Round: 62 Ground: Hardcourt outdoor
| ITF Japan F3 | 2017/03/18 08:00 | Masaya Kobayashi v Kawahashi, Yuta | 6-2,7-5 |
| ITF Japan F3 | 2017/03/18 03:00 | Masaya Kobayashi v Osafune, Masaki | 7-6,6-7,6-4 |
| ITF Japan F2 | 2017/03/14 02:30 | Masaya Kobayashi v Gao, Xin | 4-6,2-6 |
| ITF Japan F1 | 2017/03/09 03:40 | Masaya Kobayashi v Wishaya Trongcharoenchaikul | 0-6,3-6 |
| ITF Japan F1 | 2017/03/08 01:00 | Masaya Kobayashi v Moritani, Soichiro | 6-3,6-4 |
| ITF Japan F1 | 2017/03/06 01:00 | Masaya Kobayashi v Shirafuji, Naru | 7-5,6-2 |
| ITF Japan F1 | 2017/03/05 01:00 | Masaya Kobayashi v Sakai, Yuto | 7-6,7-5 |
| ITF Japan F1 | 2017/03/04 03:30 | Masaya Kobayashi v Habusawa, Tetsuro | 6-2,6-4 |
| ITF Japan F3 | 2017/03/18 08:00 | Tanaka, Yunosuke v Tashiro, Yuga | 6-2,6-1 |
| ITF Japan F3 | 2017/03/18 03:00 | Tanaka, Yunosuke v Chang, Yu | 2-6,6-2,6-4 |
| ITF Japan F2 | 2017/03/14 04:15 | Tanaka, Yunosuke v Niki, Takuto | 4-6,4-6 |
| Challenger Kyoto Qual | 2017/02/19 01:00 | Sekiguchi, Shuichi v Tanaka, Yunosuke | 6-0,6-4 |
| Challenger Kyoto Qual | 2017/02/18 02:35 | Fujii, Sota v Tanaka, Yunosuke | 6-3,3-6,6-7 |