Round: 25 Ground: Hardcourt outdoor
| ITF Japan F7 | 2016/06/06 05:55 | Masato Shiga v Soichiro Moritani | 7-5,6-4 |
| ITF Japan F2 | 2017/03/13 01:00 | Soichiro Moritani v Rio Noguchi | 3-6,0-6 |
| ITF Japan F2 | 2017/03/12 04:00 | Soichiro Moritani v Sota Fujii | 6-2,7-5 |
| ITF Japan F1 | 2017/03/08 01:00 | Masaya Kobayashi v Soichiro Moritani | 6-3,6-4 |
| ITF Indonesia F2 | 2017/02/15 06:25 | Sho Katayama v Soichiro Moritani | 6-2,6-3 |
| ITF Indonesia F1 | 2017/02/09 03:00 | Karunuday Singh v Soichiro Moritani | 6-4,6-3 |
| ITF Indonesia F1 | 2017/02/07 05:35 | Soichiro Moritani v Roy Hobbs | 6-3,7-6 |
| ITF Thailand F5 | 2016/12/18 04:00 | Soichiro Moritani v Keisuke Numajiri | 4-6,4-6 |
| ITF Thailand F5 | 2016/12/17 06:00 | Soichiro Moritani v Maxime Cressy | 6-4,6-4 |
| 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 Indonesia F2 | 2017/02/16 06:35 | Masato Shiga v Lenny Hampel | 6-4,6-7,6-4 |
| ITF Indonesia F2 | 2017/02/15 04:50 | Masato Shiga v Ken Onoda | 6-1,7-5 |
| ITF Indonesia F1 | 2017/02/07 03:00 | Yan Bai v Masato Shiga | 6-1,6-0 |
| ATP Auckland Qual | 2017/01/07 00:30 | Masato Shiga v Brydan Klein | 4-6,2-6 |