Round: 54 Ground: Hardcourt outdoor
| ITF Japan F8 | 2015/06/25 02:00 | Shunrou Takeshima v Ko Suzuki | 6-3,6-2 |
| ITF Japan F8 | 2015/06/24 02:45 | Ko Suzuki v Yusuke Watanuki | 6-3,6-4 |
| ITF Japan F7 | 2015/06/16 00:30 | Ko Suzuki v Yusuke Watanuki | 0-6,2-6 |
| ITF Japan F6 | 2015/06/11 01:00 | Ko Suzuki v Kento Takeuchi | 6-7,3-6 |
| ITF Japan F6 Qual | 2015/06/07 01:00 | Ko Suzuki v Kento Tanaka-Tamaki | 6-2,6-3 |
| ITF Guam F1 | 2015/05/30 04:20 | Gengo Kikuchi v Ko Suzuki | 6-2,6-3 |
| ITF Guam F1 | 2015/05/29 05:10 | Ko Suzuki v Sho Katayama | 6-3,4-6,6-2 |
| ITF Guam F1 | 2015/05/28 00:00 | Koichi Sano v Ko Suzuki | 2-6,1-6 |
| 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 Spain F31 | 2015/10/01 15:00 | Antal Van Der Duim v Renta Tokuda | 7-6,3-6,6-1 |
| ITF Spain F31 | 2015/09/29 11:00 | Albert Roglan v Renta Tokuda | 4-6,2-6 |