Round: 62 Ground: Hardcourt outdoor
| 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 China F6 | 2015/05/26 02:00 | Ken Onishi v Young Seok Kim | 3-6,5-7 |
| ITF China F6 Qual | 2015/05/24 02:00 | Ken Onishi v Aoran Wang | 6-4,6-4 |
| ITF Spain F13 | 2015/05/09 12:00 | Edward Harwood v Carlos Divar | 4-6,3-6 |
| ITF Spain F12 Qual | 2015/05/02 07:30 | Thibault Saive v Edward Harwood | 6-4,4-6,6-3 |
| ITF Spain F9 Qual | 2015/04/11 07:00 | Martin Blasko v Edward Harwood | 6-4,7-5 |
| ITF Spain F9 Qual | 2015/04/10 07:00 | Manel Perez Esteve v Edward Harwood | 4-6,0-6 |
| ITF Great Britain F1 | 2015/01/18 10:00 | Edward Harwood v Daniel Appelgren | 6-0,6-0 |
| ITF Spain F29 Qual | 2014/09/27 09:00 | Edward Harwood v Leo Julien Sebaoun | 1-6,3-6 |