Round: 62 Ground: Hardcourt outdoor
| 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 Thailand F9 | 2015/04/28 05:15 | Christopher O'Connell v Ken Onishi | 7-6,6-2 |
| ITF Thailand F9 | 2015/04/26 06:00 | Chayanon Kaewsuto v Ken Onishi | 6-4,1-6,2-6 |
| ITF Japan F2 | 2015/03/15 01:00 | Ryota Tanuma v Ken Onishi | 2-6,6-4,3-6 |
| ITF Japan F1 | 2015/03/13 01:00 | Ken Onishi v Yuya Kibi | 6-2,2-6,4-6 |
| ITF Czech Republic F3 Qual | 2015/05/24 08:00 | Matvey Khomentovskiy v Michal Bisko | 6-1,4-6,1-6 |
| ITF Czech Republic F1 | 2015/05/13 08:00 | Michal Bisko v Matej Vocel | 2-6,2-6 |
| ITF Czech Republic F1 Qual | 2015/05/10 10:30 | Patrik Obal v Michal Bisko | 3-6,4-6 |
| Challenger Ostrava Qual | 2015/04/27 08:00 | Michal Bisko v Pascal Brunner | 1-6,3-6 |
| ITF Greece F3 | 2015/04/05 09:30 | Michal Bisko v Lenny Hampel | 4-6,4-6 |
| ITF Greece F3 | 2015/04/04 10:30 | Denis Merkulov v Michal Bisko | 4-6,5-7 |
| ITF Greece F2 | 2015/04/02 07:00 | Michal Bisko v Maxim Dubarenco | 4-6,6-7 |
| ITF Greece F2 | 2015/03/31 14:50 | Michal Bisko v Dane Dunlap | 6-0,6-1 |