| ITF Japan F8 | 2015/06/23 01:00 | Tanuma, Ryota v Renta Tokuda | 6-1,1-6,5-7 |
| ITF Japan F7 | 2015/06/18 00:30 | Onozawa, Arata v Renta Tokuda | 6-4,6-2 |
| ITF Japan F7 | 2015/06/16 00:30 | Higa, Akito v Renta Tokuda | 0-6,1-6 |
| ITF Japan F7 Qual | 2015/06/15 00:30 | Renta Tokuda v Numajiri, Keisuke | 3-6,1-6 |
| ITF Japan F7 Qual | 2015/06/14 00:00 | Renta Tokuda v Tsunematsu, Takumi | 6-1,7-5 |
| ITF Japan F6 | 2015/06/09 04:00 | Watanuki, Yusuke v Renta Tokuda | 7-5,2-6,6-2 |
| ITF Japan F6 Qual | 2015/06/08 01:00 | Makoto Ochi v Renta Tokuda | 6-7,6-1,4-6 |
| ITF Japan F6 Qual | 2015/06/07 03:30 | Fujii, Shinta v Renta Tokuda | 3-6,2-6 |
| ITF Japan F8 | 2015/06/24 03:45 | Jun, Woong-Sun v Niki, Takuto | 2-6,6-2,4-6 |
| ITF Japan F6 | 2015/06/13 01:30 | Niki, Takuto v Toshihide Matsui | 3-6,2-6 |
| ITF Japan F6 | 2015/06/12 05:30 | Niki, Takuto v Sasai, Masaki | 6-2,6-1 |
| ITF Japan F6 | 2015/06/11 02:55 | Niki, Takuto v Watanuki, Keisuke | 6-7,7-6,6-4 |
| ITF China F6 | 2015/05/28 02:00 | Gao, Xin v Niki, Takuto | 6-2,7-6 |
| ITF China F6 | 2015/05/26 07:25 | Gong, Xiao v Niki, Takuto | 2-6,2-6 |
| ITF Japan F4 | 2015/04/04 01:30 | Yasutaka Uchiyama v Niki, Takuto | 6-1,6-2 |
| ITF Japan F4 | 2015/04/03 01:30 | Zhe Li v Niki, Takuto | 2-6,2-6 |