Round: 60 Ground: Clay
| ITF Hungary F8 Qual | 2017/09/02 07:30 | Martin Zeljenka v Philip Aplienz | 4-6,1-6 |
| ITF Hungary F7 Qual | 2017/08/26 09:00 | Dominik Recek v Martin Zeljenka | 7-6,6-2 |
| ITF Hungary F6 Qual | 2017/08/19 07:30 | Martin Zeljenka v Thomas Colautti | 2-6,6-4,1-6 |
| ITF Bosnia and Herzegovina F2 Qual | 2017/05/27 13:30 | Martin Zeljenka v Marko Osmakcic | 4-6,6-4,3-6 |
| ITF Hungary F3 Qual | 2017/05/21 09:30 | Petr Hajek v Martin Zeljenka | 6-3,6-4 |
| ITF Hungary F2 | 2017/05/13 08:00 | Besir Durguti v Martin Zeljenka | 4-6,6-4,6-2 |
| ITF Hungary F6 | 2016/09/17 10:00 | Alexander Ovcharov v Martin Zeljenka | 6-2,6-2 |
| ITF Hungary F5 | 2016/09/10 08:00 | Cristian Stefan Moldovan v Martin Zeljenka | 6-4,6-2 |
| ITF Croatia F2 | 2018/03/10 08:00 | Simone Camposeo v Nemanja Subanovic | 4-6,7-6,7-5 |
| ITF Serbia F3 Qual | 2017/08/19 07:00 | Lawrence Bataljin v Nemanja Subanovic | 0-6,6-4,6-0 |