Round: 25 Ground: Carpet indoor
| ITF Romania F4 | 2017/06/21 09:45 | Ken Onishi v Adrian Ungur | 2-6,0-6 |
| ITF Romania F3 | 2017/06/15 07:00 | Nicolae Frunza v Ken Onishi | 6-4,6-1 |
| ITF Romania F3 | 2017/06/14 07:00 | Riccardo Maiga v Ken Onishi | 7-6,1-6,2-6 |
| ITF Hungary F3 | 2017/05/24 09:30 | Ken Onishi v Gabor Borsos | 1-6,1-6 |
| ITF Hungary F2 | 2017/05/17 08:00 | Ken Onishi v Tomislav Jotovski | 6-4,2-6,4-6 |
| ITF Hungary F2 | 2017/05/16 09:25 | Michal Schmid v Ken Onishi | 6-2,4-6,4-6 |
| ITF Hungary F1 | 2017/05/11 11:40 | Attila Balazs v Ken Onishi | 6-2,6-2 |
| ITF Hungary F1 | 2017/05/10 08:00 | Alexander Ovcharov v Ken Onishi | 1-6,3-6 |
| ATP Eastbourne Qual | 2017/06/24 15:50 | Michal Konecny v Ti Chen | 6-2,6-7,5-7 |
| ITF Israel F7 | 2017/05/18 07:00 | Igor Smilansky v Michal Konecny | 7-6,6-2 |
| ITF Israel F7 | 2017/05/17 08:35 | Tal Goldengoren v Michal Konecny | 4-6,3-6 |
| ITF Israel F7 | 2017/05/16 07:00 | Yannai Barkai v Michal Konecny | 6-7,3-6 |
| ITF Bulgaria F1 | 2017/05/12 07:30 | Michal Konecny v Yan Sabanin | 6-3,3-6,5-7 |
| ITF Bulgaria F1 | 2017/05/10 10:00 | Michal Konecny v Victor Vlad Cornea | 6-2,6-3 |
| ITF Egypt F15 | 2017/04/26 10:55 | Issam Haitham Taweel v Michal Konecny | 7-6,7-6 |
| ITF Egypt F14 | 2017/04/20 09:45 | August Holmgren v Michal Konecny | 7-6,7-6 |