Stadium: Court 1 Round: 25 Ground: Hardcourt indoor
| ITF Slovakia F3 | 2016/08/10 08:00 | Dominik Kellovsky v Marek Semjan | 4-6,6-4,7-6 |
| ITF Slovakia F1 | 2016/07/27 12:55 | Dominik Kellovsky v Marek Semjan | 7-5,6-3 |
| ITF Greece F7 | 2017/11/01 09:55 | Kevin Griekspoor v Dominik Kellovsky | 6-4,6-2 |
| ITF Greece F6 | 2017/10/26 07:00 | Markos Kalovelonis v Dominik Kellovsky | 7-6,7-6 |
| ITF Greece F6 | 2017/10/24 12:40 | Mousheg Hovhannisyan v Dominik Kellovsky | 3-6,4-6 |
| Challenger Liberec | 2017/07/31 10:30 | Petr Michnev v Dominik Kellovsky | 6-3,6-3 |
| Challenger Prague | 2017/07/27 13:00 | Dominik Kellovsky v Joao Domingues | 2-6,2-6 |
| Challenger Prague | 2017/07/25 12:40 | Marko Tepavac v Dominik Kellovsky | 5-7,6-3,4-6 |
| ITF Czech Republic F6 | 2017/07/19 10:45 | Dominik Kellovsky v Juan Pablo Ficovich | 3-6,1-6 |
| ITF Czech Republic F6 | 2017/07/18 10:40 | David Juras v Dominik Kellovsky | 2-6,1-6 |
| ITF Czech Republic F11 Qual | 2017/11/19 13:00 | Marek Semjan v Nenad Vladusic | 6-3,7-6 |
| ITF Czech Republic F10 | 2017/11/13 11:30 | Tomas Machac v Marek Semjan | 6-4,6-3 |
| Challenger Bratislava Qual | 2017/11/04 10:20 | Franko Skugor v Marek Semjan | 6-2,6-1 |
| ITF Czech Republic F8 | 2017/11/02 10:20 | Marek Semjan v Matej Vocel | 4-6,6-7 |
| ITF Czech Republic F8 | 2017/11/01 13:55 | Marek Semjan v Maxime Tchoutakian | 5-7,6-4,6-2 |
| ITF Czech Republic F8 Qual | 2017/10/31 11:10 | Marek Semjan v Marko Osmakcic | 6-4,6-4 |
| ITF Czech Republic F8 Qual | 2017/10/30 11:00 | Marek Semjan v David Mrazek | 6-4,6-2 |
| ITF Czech Republic F7 | 2017/10/25 10:45 | Marek Semjan v Robin Stanek | 3-6,7-6,3-6 |