Round: 25 Ground: Hardcourt outdoor
| ITF Japan F1 | 2017/03/06 01:00 | Yohei Ono v Shinta Fujii | 5-7,5-7 |
| ITF Japan F1 | 2017/03/04 01:00 | Tomohiro Masabayashi v Shinta Fujii | 6-3,2-6,3-6 |
| Challenger Kyoto Qual | 2017/02/18 03:00 | Shuichi Sekiguchi v Shinta Fujii | 6-1,7-5 |
| ITF Indonesia F2 Qual | 2017/02/13 03:15 | Chan-Yeong Oh v Shinta Fujii | 6-3,6-1 |
| ITF Indonesia F2 Qual | 2017/02/12 09:45 | Mochammad Rizky Widianto v Shinta Fujii | 3-6,2-6 |
| ITF Indonesia F1 Qual | 2017/02/06 06:15 | Shinta Fujii v Kazuma Kawachi | 6-3,5-7,1-6 |
| ITF Indonesia F1 Qual | 2017/02/05 09:00 | Shinta Fujii v Jesse Delaney | 6-3,6-4 |
| ITF Hong Kong F1 | 2017/01/03 02:00 | Hei Yin Andrew Li v Shinta Fujii | 6-1,6-1 |
| Challenger Yokohama | 2017/03/01 01:00 | Andrew Whittington v Takuto Niki | 6-4,7-6 |
| 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 |