Round: 54 Ground: Synthetic outdoor
| ITF Japan F2 | 2017/03/12 04:00 | Shoma Kato v Rio Noguchi | 1-6,1-6 |
| ITF Japan F1 | 2017/03/08 01:00 | Shoma Kato v Hiroyasu Ehara | 3-6,2-6 |
| ITF Indonesia F3 Qual | 2017/02/20 11:15 | Robin Thour v Shoma Kato | 6-3,7-5 |
| ITF Indonesia F3 Qual | 2017/02/19 10:25 | Cristian Stefan Moldovan v Shoma Kato | 4-6,1-6 |
| ITF Indonesia F2 Qual | 2017/02/12 12:30 | Rhett Purcell v Shoma Kato | 7-6,6-4 |
| ITF Indonesia F2 Qual | 2017/02/11 10:55 | Shoma Kato v Skyler Butts | 6-2,6-0 |
| Others | 2016/11/05 02:00 | Kuan-Yi Lee v Shoma Kato | 6-1,6-3 |
| ITF Japan F8 | 2016/06/15 04:30 | Shoma Kato v Takuto Niki | 3-6,3-6 |
| ITF Spain F6 | 2017/02/18 08:00 | Luis Diego Chavez Villalpando v Keisuke Numajiri | 6-1,5-7,6-4 |
| ITF Egypt F4 | 2017/02/08 12:30 | Keisuke Numajiri v Ilija Vucic | 5-7,6-7 |
| ITF Egypt F4 | 2017/02/06 08:00 | Hiroyasu Ehara v Keisuke Numajiri | 6-0,6-3 |
| ITF Egypt F4 | 2017/02/05 08:00 | Dominik Nazaruk v Keisuke Numajiri | 1-6,1-6 |
| ITF Egypt F4 | 2017/02/04 07:00 | Pedro Gabriel Rodrigues v Keisuke Numajiri | 1-6,2-6 |
| ITF Egypt F3 | 2017/02/01 08:00 | Keisuke Numajiri v Vit Kopriva | 2-6,4-6 |
| ITF Egypt F3 | 2017/01/30 08:00 | Keisuke Numajiri v Lakshit Sood | 7-5,6-2 |
| ITF Egypt F3 | 2017/01/29 08:00 | Joy Vigani v Keisuke Numajiri | 5-7,1-6 |