Round: 54 Ground: Carpet indoor
| ITF Czech Republic F9 | 2017/11/06 09:00 | Johann Willems v Dusan Rajic | 6-3,6-3 |
| ITF Turkey F36 | 2017/09/25 07:30 | Johann Willems v Jannis Kahlke | 3-6,3-6 |
| ITF Turkey F36 | 2017/09/24 07:30 | Johann Willems v Boris Butulija | 7-5,7-5 |
| ITF Turkey F35 | 2017/09/22 07:30 | Julien Cagnina v Johann Willems | 6-2,6-0 |
| ITF Turkey F35 | 2017/09/21 07:30 | Ryota Tanuma v Johann Willems | 7-6,0-6,1-6 |
| ITF Turkey F35 | 2017/09/20 07:30 | Johann Willems v Thomas Statzberger | 6-2,7-6 |
| ITF Netherlands F5 | 2017/08/17 10:00 | Pascal Meis v Johann Willems | 6-3,7-6 |
| ITF Netherlands F5 | 2017/08/15 14:35 | Johann Willems v Floris Van Den Brink | 6-7,6-2,6-1 |
| ITF Czech Republic F7 | 2017/10/25 08:00 | Lukas Vejvara v Maciej Smola | 3-6,3-6 |
| ITF Czech Republic F7 Qual | 2017/10/24 08:00 | Lukas Vejvara v Piotr Grynkowski | 6-3,6-4 |
| ITF Germany F15 | 2017/10/16 10:00 | Dimitriy Voronin v Lukas Vejvara | 7-5,6-2 |
| ITF Slovakia F3 | 2017/08/09 12:00 | Olexiy Kolisnyk v Lukas Vejvara | 3-6,6-3,6-2 |
| ITF Slovakia F3 | 2017/08/08 08:00 | Lukas Vejvara v Kris Krawcewicz | 6-4,6-1 |
| ITF Slovakia F3 | 2017/08/07 08:00 | Lukas Vejvara v Nikolas Lahky | 6-3,6-2 |
| Challenger Prague Qual | 2017/07/22 09:20 | Lenny Hampel v Lukas Vejvara | 6-0,6-1 |
| ITF Austria F3 | 2017/07/15 07:00 | Lukas Vejvara v Gilbert S K Junior | 6-2,0-6,5-7 |