Round: 62 Ground: Clay
| ITF Hungary F2 Qual | 2018/05/14 11:00 | Jonathan Morr v Martin Zeljenka | 2-6,7-6,6-4 |
| ITF Hungary F2 Qual | 2018/05/13 08:00 | Martin Zeljenka v Domen Gostincar | 6-4,6-3 |
| ITF Hungary F2 Qual | 2018/05/12 10:30 | Andras Necz v Martin Zeljenka | 3-6,6-4,5-7 |
| ITF Hungary F1 Qual | 2018/05/06 08:00 | Andre Biro v Martin Zeljenka | 6-4,7-6 |
| ITF Hungary F1 Qual | 2018/05/05 10:00 | Mark S Meyer v Martin Zeljenka | 3-6,1-6 |
| ITF Poland F1 | 2018/04/28 07:00 | Martin Zeljenka v Duje Ajdukovic | 1-6,3-6 |
| ITF Croatia F3 | 2018/03/18 13:00 | Martin Zeljenka v Nemanja Subanovic | 5-7,1-6 |
| ITF Hungary F8 Qual | 2017/09/02 07:30 | Martin Zeljenka v Philip Aplienz | 4-6,1-6 |
| ITF Turkey F17 | 2018/04/29 07:30 | Lazar Vojinovic v Pietro Pirolt | 7-5,6-2 |
| ITF Turkey F16 | 2018/04/21 09:30 | Pietro Pirolt v Gabriel Schmidt | 3-6,0-6 |
| ITF Croatia F3 | 2018/03/19 09:00 | Pietro Pirolt v Edoardo Pompei | 2-6,0-6 |
| ITF Croatia F2 | 2018/03/10 10:00 | Pietro Pirolt v Buvaysar Gadamauri | 0-6,2-6 |
| ITF Turkey F39 | 2017/10/15 07:00 | Gabriel Donev v Pietro Pirolt | 6-0,6-0 |
| ITF Turkey F38 | 2017/10/07 07:00 | Vadim Alekseenko v Pietro Pirolt | 6-0,6-2 |
| ITF Austria F4 Qual | 2017/07/22 10:00 | Pietro Pirolt v Paolo Dagnino | 2-6,2-6 |
| ITF Austria F3 | 2017/07/15 07:00 | Mattia Ros v Pietro Pirolt | 6-7,7-6,6-1 |