Round: 62 Ground: Hardcourt outdoor
| ITF Japan F3 | 2017/03/18 03:00 | Masaya Kobayashi v Masaki Osafune | 7-6,6-7,6-4 |
| ITF Japan F2 | 2017/03/14 02:30 | Masaya Kobayashi v Xin Gao | 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 Soichiro Moritani | 6-3,6-4 |
| ITF Japan F1 | 2017/03/06 01:00 | Masaya Kobayashi v Naru Shirafuji | 7-5,6-2 |
| ITF Japan F1 | 2017/03/05 01:00 | Masaya Kobayashi v Yuto Sakai | 7-6,7-5 |
| ITF Japan F1 | 2017/03/04 03:30 | Masaya Kobayashi v Tetsuro Habusawa | 6-2,6-4 |
| ITF Indonesia F3 | 2017/02/22 05:25 | Dayne Kelly v Masaya Kobayashi | 6-1,6-2 |
| ITF Japan F2 | 2017/03/11 03:00 | Yuta Kawahashi v Keisuke Watanuki | 2-6,2-6 |
| ITF Japan F1 | 2017/03/04 01:00 | Sota Fujii v Yuta Kawahashi | 4-6,6-3,2-6 |
| ITF Japan F6 Qual | 2016/05/29 01:00 | Ryota Kishi v Yuta Kawahashi | 6-2,6-4 |
| ITF Japan F5 | 2016/04/08 01:00 | Yuta Kawahashi v Sho Katayama | 1-6,2-6 |
| ITF Japan F5 | 2016/04/06 00:30 | Yuta Kawahashi v Masayoshi Ono | 6-2,6-2 |
| ITF Japan F5 | 2016/04/04 00:30 | Yuta Kawahashi v Taiki Hashimoto | 6-2,7-6 |
| ITF Japan F5 | 2016/04/03 02:00 | Ken Onoda v Yuta Kawahashi | 5-7,2-6 |
| ITF Japan F4 | 2016/03/27 03:00 | Yuta Kawahashi v Brandon Walkin | 4-6,3-6 |