| ITF Japan F2 | 2016/03/12 02:00 | Ko Suzuki v Renta Tokuda | 6-1,4-6,7-5 |
| ITF Japan F1 | 2016/03/05 03:00 | Ren Nakamura v Renta Tokuda | 6-2,6-3 |
| ITF Spain F33 | 2015/10/13 12:30 | Renta Tokuda v Alexander Ward | 3-6,2-6 |
| ITF Spain F33 | 2015/10/12 08:00 | Renta Tokuda v Alejandro Garcia Saez | 6-2,6-4 |
| ITF Spain F33 | 2015/10/10 12:00 | Renta Tokuda v Francisco Bohorquez | 7-5,6-3 |
| ITF Spain F32 | 2015/10/06 08:00 | Andres Artunedo Martinavarr v Renta Tokuda | 3-6,7-5,6-2 |
| ITF Spain F32 | 2015/10/05 07:00 | Renta Tokuda v Zeljko Milovic | 0-6,7-6,6-1 |
| ITF Spain F32 | 2015/10/03 07:00 | Renta Tokuda v Alberto Nieto | 6-0,6-1 |
| ITF Japan F2 | 2016/03/12 02:00 | Tung-Lin Wu v Ken Onishi | 6-2,6-2 |
| ITF Kuwait F3 | 2015/11/26 08:00 | Ken Onishi v Evgeny Karlovskiy | 3-6,2-6 |
| ITF Kuwait F3 | 2015/11/25 12:30 | Ken Onishi v Ali Ghareeb | 6-3,6-2 |
| ITF Kuwait F3 | 2015/11/23 10:15 | Sergio Martos Gornes v Ken Onishi | 4-6,1-6 |
| ITF Kuwait F2 | 2015/11/18 09:00 | Ken Onishi v Paul Monteban | 6-7,6-7 |
| ITF Kuwait F2 | 2015/11/16 07:00 | Stefan Micov v Ken Onishi | 4-6,1-6 |
| ITF Turkey F36 | 2015/10/07 07:00 | Ken Onishi v Patrik Fabian | 4-6,6-3,3-6 |
| ITF Turkey F38 | 2015/09/25 13:30 | Peter Heller v Ken Onishi | 6-1,6-2 |