| ITF Czech Republic F4 | 2017/07/04 11:45 | Martin Blasko v Marek Semjan | 7-6,5-7,7-6 |
| ITF Czech Republic F4 Qual | 2017/07/03 10:30 | Marek Semjan v Zdenek Derkas | 6-2,1-6,7-6 |
| ITF Hungary F5 Qual | 2017/06/19 09:45 | Marek Semjan v Rajko Mladenovic | 6-4,3-6,6-7 |
| ITF Hungary F5 Qual | 2017/06/18 08:00 | Marek Semjan v Gabor-Janos Toth | 6-4,6-3 |
| ITF Hungary F5 Qual | 2017/06/17 10:30 | Marek Semjan v Norbert Nagyi | 6-0,6-2 |
| ITF Hungary F3 | 2017/05/25 08:00 | Marek Semjan v Filip Horansky | 3-6,1-6 |
| ITF Hungary F3 | 2017/05/24 08:00 | Peter Balla v Marek Semjan | 6-7,1-6 |
| ITF Czech Republic F1 | 2017/05/16 11:10 | Marek Semjan v Matej Vocel | 3-6,3-6 |
| ITF Croatia F4 Qual | 2017/03/25 13:00 | Filip Malbasic v Marko Ilic | 6-3,7-5 |
| ITF Croatia F3 | 2017/03/18 08:00 | Alberto Bronzetti v Marko Ilic | 6-3,5-7,6-3 |
| ITF Croatia F2 | 2017/03/11 08:00 | Marko Ilic v Ruslan Khunarikov | 3-6,4-6 |