Round: 62 Ground: Hardcourt outdoor
| 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 |
| ITF China F6 | 2015/06/02 06:00 | Ken Onishi v Aoxiong Wang | 7-6,6-4 |
| ITF Turkey F14 | 2015/04/09 11:10 | Johannes Ingildsen v Marat Deviatiarov | 1-6,6-7 |
| ITF Turkey F14 | 2015/04/06 06:30 | Pelle Boerma v Johannes Ingildsen | 2-6,1-6 |
| ITF Turkey F14 | 2015/04/04 06:30 | Andrei Soltoianu v Johannes Ingildsen | 3-6,2-6 |