Stadium: Court 7 Round: 25 Ground: Clay
| ITF Slovakia F3 | 2017/08/09 09:55 | Ken Onishi v Danylo Kalenichenko | 1-6,4-6 |
| ITF Slovakia F2 | 2017/08/02 08:00 | Ken Onishi v Sebastien Boltz | 3-6,6-4,6-7 |
| 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 Serbia F1 | 2017/08/11 08:00 | Nino Serdarusic v David Szintai | 6-1,6-2 |
| ITF Serbia F1 | 2017/08/10 08:00 | David Szintai v Rrezart Cungu | 6-3,6-1 |
| ITF Serbia F1 Qual | 2017/08/07 09:05 | Milos Nikolic v David Szintai | 1-6,0-6 |
| ITF Serbia F1 Qual | 2017/08/06 09:30 | Igor Banicevic v David Szintai | 0-6,1-6 |
| ITF Slovakia F2 | 2017/08/02 08:00 | David Szintai v Danylo Kalenichenko | 0-6,2-6 |
| ITF Slovakia F2 | 2017/08/01 07:00 | Marek Sramek v David Szintai | 4-6,3-6 |
| ITF Slovakia F2 | 2017/07/30 09:00 | Dominik Hruncak v David Szintai | 3-6,1-6 |
| ITF Hungary F5 | 2017/06/20 11:45 | David Szintai v Pedja Krstin | 0-6,7-5,4-6 |