Stadium: Court 3 Round: 25 Ground: Clay
| ITF Slovakia F1 | 2017/07/29 11:25 | Artem Dubrivnyy v Ken Onishi | 7-5,3-6,6-0 |
| ITF Slovakia F1 | 2017/07/28 10:00 | Ken Onishi v Pavel Nejedly | 6-3,6-3 |
| ITF Slovakia F1 | 2017/07/27 12:15 | Ken Onishi v Tomas Liska | 6-2,6-1 |
| ITF Slovakia F1 | 2017/07/25 11:00 | Ken Onishi v Alessandro Ricci | 6-2,7-5 |
| ITF Austria F2 | 2017/07/10 11:00 | Ken Onishi v Jeremy Jahn | 3-6,6-7 |
| ITF Czech Republic F4 | 2017/07/05 10:30 | Jonathan Mridha v Ken Onishi | 6-2,6-1 |
| ITF Czech Republic F4 | 2017/07/04 09:35 | Ken Onishi v Michal Konecny | 3-6,6-4,7-5 |
| ITF Romania F4 | 2017/06/21 09:45 | Ken Onishi v Adrian Ungur | 2-6,0-6 |
| ITF France F17 | 2017/07/25 16:10 | Sebastien Boltz v Antoine Hoang | 5-7,2-6 |
| ITF France F15 | 2017/07/11 07:00 | Felipe M Sarrasague v Sebastien Boltz | 6-7,7-5,6-0 |
| ITF France F14 | 2017/07/05 09:30 | Sebastien Boltz v Tomas Lipovsek Puches | 6-7,3-6 |
| ITF France F14 | 2017/07/04 10:10 | Sebastien Boltz v Amaury Delmas | 6-4,6-4 |
| ITF Romania F5 | 2017/06/27 12:10 | Dragos Constantin Ignat v Sebastien Boltz | 6-4,7-5 |
| ITF Romania F4 | 2017/06/24 11:05 | Pedro Sakamoto v Sebastien Boltz | 6-2,6-2 |
| ITF Romania F4 | 2017/06/23 10:00 | Sebastien Boltz v Mircea-Alexandru Jecan | 7-6,0-6,6-4 |
| ITF Romania F4 | 2017/06/22 09:30 | Sebastien Boltz v Bogdan Borza | 4-6,6-3,6-4 |