Round: 25 Ground: Hardcourt outdoor
| ITF Turkey F37 | 2015/09/15 13:00 | Daniel Dutra Da Silva v Shunrou Takeshima | 6-2,7-6 |
| ITF Turkey F37 | 2015/09/14 13:00 | Shunrou Takeshima v Aria Harajchi | 6-4,6-1 |
| ITF Japan F8 | 2015/06/26 01:00 | Sho Katayama v Shunrou Takeshima | 3-6,6-0,6-3 |
| ITF Japan F8 | 2015/06/25 02:00 | Shunrou Takeshima v Ko Suzuki | 6-3,6-2 |
| ITF Japan F8 | 2015/06/24 02:50 | Shunrou Takeshima v Leo Julien Sebaoun | 6-3,6-2 |
| ITF Japan F7 | 2015/06/17 01:00 | Shunrou Takeshima v Katsuki Nagao | 6-7,3-6 |
| ITF Japan F6 | 2015/06/09 05:00 | Shunrou Takeshima v Ryota Tanuma | 3-6,1-6 |
| ITF Japan F5 | 2015/06/04 01:00 | Takashi Saito v Shunrou Takeshima | 7-5,6-1 |
| ITF Turkey F38 | 2015/09/21 12:00 | Ken Onishi v Johannes Ingildsen | 6-4,6-4 |
| ITF Turkey F37 | 2015/09/14 13:00 | Ken Onishi v Michal Bisko | 4-6,5-7 |
| ITF Turkey F37 | 2015/09/13 14:00 | Ken Onishi v Edward Harwood | 6-0,6-0 |
| ITF China F9 | 2015/06/30 08:00 | Zhuoyang Qiu v Ken Onishi | 6-3,6-2 |
| ITF Thailand F9 | 2015/06/23 06:40 | Issei Okamura v Ken Onishi | 6-4,2-6,6-1 |
| ITF Thailand F9 | 2015/06/17 03:30 | Ken Onishi v Shuichi Sekiguchi | 3-6,3-6 |
| ITF Thailand F9 | 2015/06/16 05:00 | Zach Itzstein v Ken Onishi | 6-4,2-6,0-6 |
| ITF China F6 | 2015/06/04 02:00 | Ken Onishi v Marcos Giraldi Requena | 4-6,4-6 |