Round: 28 Ground: Hardcourt outdoor
| Challenger Yokohama | 2017/02/28 02:20 | Takuto Niki v Masato Shiga | 6-1,6-1 |
| Challenger Yokohama Qual | 2017/02/27 01:00 | Alex Bolt v Takuto Niki | 2-6,4-6 |
| Challenger Yokohama Qual | 2017/02/26 03:20 | Hiroyasu Ehara v Takuto Niki | 7-6,1-6,3-6 |
| Challenger Yokohama Qual | 2017/02/25 06:00 | Takuto Niki v Axel Michon | 6-2,2-6,7-5 |
| Challenger Kyoto Qual | 2017/02/19 03:20 | Alex Bolt v Takuto Niki | 6-4,6-7,6-2 |
| Challenger Kyoto Qual | 2017/02/18 05:25 | Yunseong Chung v Takuto Niki | 2-6,6-7 |
| Challenger Burnie | 2017/01/30 23:00 | Maverick Banes v Takuto Niki | 6-3,4-6,6-2 |
| ITF Hong Kong F1 | 2017/01/07 04:50 | Yan Bai v Takuto Niki | 6-1,6-4 |
| Challenger Yokohama | 2017/02/28 05:10 | Yasutaka Uchiyama v Kaito Uesugi | 4-6,6-1,3-6 |
| Challenger Kyoto | 2017/02/21 04:55 | Kaito Uesugi v Ze Zhang | 1-6,1-6 |
| Others | 2016/11/12 05:10 | Kaito Uesugi v Sergey Betov | 2-6,1-6 |
| Challenger Kobe | 2016/11/09 02:00 | Amir Weintraub v Kaito Uesugi | 7-5,6-4 |
| Others | 2016/11/07 02:00 | Sho Shimabukuro v Kaito Uesugi | 3-6,6-1,2-6 |
| Others | 2016/11/06 02:00 | Shinji Hazawa v Kaito Uesugi | 4-6,7-6,4-6 |
| Others | 2016/11/05 05:10 | Kaito Uesugi v Yaraslav Shyla | 3-6,6-3,6-3 |
| ITF Japan F8 | 2016/06/17 01:00 | Kaito Uesugi v Renta Tokuda | 6-3,5-7,2-6 |