Round: 27 Ground: Clay
| Challenger Yokohama | 2017/02/28 02:20 | Takuto Niki v Masato Shiga | 6-1,6-1 |
| ITF Chinese Taipei F1 | 2014/08/21 02:00 | Takuto Niki v Masato Shiga | 6-1,6-0 |
| ITF Japan F4 | 2014/04/05 02:00 | Masato Shiga v Takuto Niki | 3-6,7-6,6-3 |
| ITF Japan F5 | 2017/04/05 02:00 | Masato Shiga v Sho Shimabukuro | 6-3,6-4 |
| ITF Japan F5 | 2017/04/03 05:00 | Masato Shiga v Yuki Mochizuki | 6-4,6-0 |
| ITF Japan F4 | 2017/03/29 05:20 | Masato Shiga v Ryota Tanuma | 4-6,1-6 |
| ITF Japan F3 | 2017/03/20 01:00 | Soichiro Moritani v Masato Shiga | 6-2,6-2 |
| ITF Japan F2 | 2017/03/13 04:00 | Ibuki Furuta v Masato Shiga | 6-4,6-4 |
| ITF Japan F1 | 2017/03/08 01:00 | Wishaya Trongcharoenchaikul v Masato Shiga | 5-7,6-4,6-4 |
| Challenger Yokohama | 2017/02/28 02:20 | Takuto Niki v Masato Shiga | 6-1,6-1 |
| ITF Indonesia F2 | 2017/02/17 05:45 | Sho Katayama v Masato Shiga | 6-4,7-6 |
| ITF Japan F5 | 2017/04/05 02:50 | Chan-Yeong Oh v Takuto Niki | 4-6,6-3,2-6 |
| ITF Japan F5 | 2017/04/04 00:30 | Yuichi Ito v Takuto Niki | 3-6,4-6 |
| ITF Japan F4 | 2017/04/02 02:00 | Takuto Niki v Yusuke Takahashi | 2-6,2-6 |
| ITF Japan F4 | 2017/04/01 01:00 | Takuto Niki v Kaito Uesugi | 6-3,6-3 |
| ITF Japan F4 | 2017/03/31 02:40 | Takuto Niki v Renta Tokuda | 6-2,6-7,7-5 |
| ITF Japan F4 | 2017/03/30 03:15 | Takuto Niki v Sho Shimabukuro | 6-7,6-3,7-6 |
| ITF Japan F4 | 2017/03/29 03:40 | Takuto Niki v Shunrou Takeshima | 6-2,7-5 |
| ITF Japan F3 | 2017/03/24 03:10 | Takuto Niki v Nam Hoang Ly | 4-6,6-4,6-0 |