| ITF Japan F6 | 2017/05/30 03:30 | Takuto Niki v Ibuki Furuta | 6-2,6-2 |
| ITF China F8 | 2017/05/26 04:20 | Rubin Statham v Takuto Niki | 7-6,7-6 |
| ITF China F8 | 2017/05/25 05:25 | Chuhan Wang v Takuto Niki | 3-6,1-6 |
| ITF China F8 | 2017/05/25 02:00 | Chuhan Wang v Takuto Niki | 3-6,1-6 |
| ITF China F8 | 2017/05/23 04:00 | Naoki Nakagawa v Takuto Niki | 3-6,2-6 |
| Challenger Busan Qual | 2017/05/15 03:25 | Takuto Niki v Edward Corrie | 4-6,6-4,4-6 |
| Challenger Busan Qual | 2017/05/14 03:50 | Takuto Niki v Seong-Gook Oh | 6-4,6-3 |
| Challenger Seoul Qual | 2017/05/06 02:20 | Daniel Nguyen v Takuto Niki | 2-6,6-1,6-2 |
| ITF Japan F6 | 2017/05/30 02:20 | Masaya Kobayashi v Luca Castelnuovo | 6-4,7-6 |
| ITF Japan F5 | 2017/04/04 02:40 | Masaya Kobayashi v Sho Katayama | 1-6,2-6 |
| ITF Japan F4 | 2017/03/29 01:00 | Masaya Kobayashi v Ken Onishi | 4-6,6-7 |
| ITF Japan F4 | 2017/03/28 01:00 | Masaya Kobayashi v Keisuke Watanuki | 6-3,6-2 |
| ITF Japan F4 | 2017/03/27 01:00 | Masaya Kobayashi v Aoran Wang | 7-6,7-6 |
| ITF Japan F3 | 2017/03/20 01:00 | Masaya Kobayashi v Chan-Yeong Oh | 4-6,2-6 |
| ITF Japan F3 | 2017/03/19 01:00 | Masaya Kobayashi v Yunosuke Tanaka | 5-7,6-2,6-1 |
| ITF Japan F3 | 2017/03/18 08:00 | Masaya Kobayashi v Yuta Kawahashi | 6-2,7-5 |