| ITF Japan F4 MD | 2017/03/30 06:35 | Kobayashi/Matsuzaki v Sumizawa/Watanuki | 1-6,2-6 |
| ITF Japan F4 MD | 2017/03/28 04:40 | Hirota/Nakamura v Kobayashi/Matsuzaki | 2-6,6-3,8-10 |
| ITF Indonesia F3 MD | 2017/02/24 07:25 | Barki/Rungkat v Kobayashi/Matsuzaki | 6-1,6-2 |
| ITF Indonesia F3 MD | 2017/02/23 06:50 | Kobayashi/Matsuzaki v Susanto/Wachiramanowong | 6-4,6-2 |
| ITF Indonesia F3 MD | 2017/02/21 06:25 | Kobayashi/Matsuzaki v Taylor/Taylor | 7-6,7-6 |
| ITF Indonesia F1 MD | 2017/02/10 11:15 | Addison/Purcell v Kobayashi/Matsuzaki | 6-3,6-4 |
| ITF Indonesia F1 MD | 2017/02/10 07:45 | Sasongko/Susanto v Kobayashi/Matsuzaki | 4-6,7-6,11-13 |
| ITF Indonesia F1 MD | 2017/02/08 09:50 | Kobayashi/Matsuzaki v Hampel/Kellovsky | 2-6,6-4,10-7 |