Round: 27 Ground: Synthetic outdoor
| Challenger Shanghai | 2014/09/03 05:45 | Niki, Takuto v Takeuchi, Kento (1987) | 6-2,6-3 |
| ITF Chinese Taipei F1 | 2014/08/29 02:00 | Takeuchi, Kento (1987) v Niki, Takuto | 3-6,2-6 |
| ITF Japan F3 | 2014/03/28 02:55 | Niki, Takuto v Takeuchi, Kento (1987) | 6-4,6-0 |
| ITF Japan F1 | 2014/03/15 02:00 | Takeuchi, Kento (1987) v Niki, Takuto | 4-6,6-7 |
| ITF Japan F7 | 2017/06/06 01:00 | Niki, Takuto v Watanuki, Yusuke | 5-7,7-5,6-4 |
| ITF Japan F6 | 2017/06/02 04:00 | Niki, Takuto v Sora Fukuda | 6-3,4-6,3-6 |
| ITF Japan F6 | 2017/06/01 02:00 | Niki, Takuto v Masaya Kobayashi | 6-2,6-3 |
| ITF Japan F6 | 2017/05/31 01:00 | Niki, Takuto v Masaya Kobayashi | 6-2,6-3 |
| ITF Japan F6 | 2017/05/30 03:30 | Niki, Takuto v Furuta, Ibuki | 6-2,6-2 |
| ITF China F8 | 2017/05/26 04:20 | Rubin Statham v Niki, Takuto | 7-6,7-6 |
| ITF China F8 | 2017/05/25 05:25 | Wang, Chuhan v Niki, Takuto | 3-6,1-6 |
| ITF China F8 | 2017/05/25 02:00 | Wang, Chuhan v Niki, Takuto | 3-6,1-6 |
| ITF Japan F7 | 2017/06/08 01:30 | Watanuki, Keisuke v Takeuchi, Kento (1987) | 3-6,5-7 |
| ITF Japan F7 | 2017/06/05 03:05 | Takeshima, Shunrou v Takeuchi, Kento (1987) | 1-6,1-6 |
| ITF Japan F6 | 2017/06/02 04:00 | Takeuchi, Kento (1987) v Shintaro Imai | 3-6,4-6 |
| ITF Japan F6 | 2017/06/01 02:00 | Takeuchi, Kento (1987) v Tomohiro Masabayashi | 6-4,6-0 |
| ITF Japan F6 | 2017/05/31 01:00 | Takeuchi, Kento (1987) v Tomohiro Masabayashi | 6-4,6-0 |
| ITF Japan F6 | 2017/05/30 03:55 | Takeuchi, Kento (1987) v Issei Okamura | 7-6,6-3 |
| ITF Singapore F1 | 2017/05/26 13:30 | Wishaya Trongcharoenchaikul v Takeuchi, Kento (1987) | 4-6,6-4,6-3 |
| ITF Singapore F1 | 2017/05/26 02:00 | Ito, Yuichi v Takeuchi, Kento (1987) | 2-6,3-6 |