| ITF Czech Republic F1 Qual | 2017/05/15 08:00 | Matija Pecotic v Marek Semjan | 6-3,3-6,5-7 |
| ITF Czech Republic F1 Qual | 2017/05/13 09:00 | Brian Cernoch v Marek Semjan | 2-6,6-3,4-6 |
| ITF Qatar F3 | 2017/04/18 14:40 | Antoine Escoffier v Marek Semjan | 6-4,4-6,7-6 |
| ITF Qatar F2 | 2017/04/12 14:15 | Marek Semjan v Albano Olivetti | 3-6,4-6 |
| ITF Qatar F2 | 2017/04/11 17:10 | Marek Semjan v Patrik Rosenholm | 2-6,7-5,6-3 |
| ITF Qatar F2 Qual | 2017/04/10 12:00 | Kris Krawcewicz v Marek Semjan | 7-5,5-7,1-6 |
| ITF Qatar F2 Qual | 2017/04/09 12:00 | Mohamed Shabib v Marek Semjan | 6-4,6-7,1-6 |
| ITF Qatar F1 Qual | 2017/04/03 12:00 | Tom Kocevar-Desman v Marek Semjan | 6-3,6-3 |
| ITF Czech Republic F1 Qual | 2017/05/15 10:55 | Matej Vocel v Antonin Bolardt | 7-5,6-0 |
| ITF Czech Republic F1 Qual | 2017/05/14 09:00 | Matej Vocel v Lukas Vejvara | 3-6,6-1,6-1 |
| Challenger Wroclaw Qual | 2017/02/26 14:00 | Marek Jaloviec v Matej Vocel | 7-6,7-6 |
| Challenger Wroclaw Qual | 2017/02/25 12:10 | Piotr Matuszewski v Matej Vocel | 6-7,6-7 |
| ITF Turkey F5 | 2017/02/05 07:00 | Matej Vocel v Shinnosuke Hiramatsu | 2-6,3-6 |
| ITF Turkey F4 | 2017/02/02 07:00 | Matej Vocel v Milan Drinic | 6-4,3-6,1-6 |
| ITF Turkey F4 | 2017/01/31 08:55 | Matej Vocel v Bastian Wagner | 6-4,7-5 |
| ITF Turkey F3 | 2017/01/26 07:30 | Matej Vocel v Marc Sieber | 4-6,0-6 |