Stadium: Court 9 Round: 62 Ground: Clay
| ITF Hungary F2 Qual | 2018/05/12 10:30 | Andras Necz v Martin Zeljenka | 3-6,6-4,5-7 |
| ITF Austria F3 | 2018/07/14 07:15 | Michal Lusovsky v Martin Zeljenka | 3-6,5-7 |
| ITF Hungary F5 Qual | 2018/06/16 08:00 | Strahinja Rakic v Martin Zeljenka | 6-2,6-3 |
| ITF Hungary F4 Qual | 2018/06/11 09:30 | Martin Zeljenka v Gorazd Srbljak | 2-6,1-6 |
| ITF Hungary F4 Qual | 2018/06/10 11:00 | Tomas Liska v Martin Zeljenka | 6-0,6-7,2-6 |
| ITF Hungary F4 Qual | 2018/06/09 08:00 | Martin Zeljenka v James Allemby | 6-2,6-1 |
| ITF Hungary F3 Qual | 2018/05/20 10:00 | Jonathan Morr v Martin Zeljenka | 4-6,7-5,7-6 |
| ITF Hungary F3 Qual | 2018/05/19 10:00 | Martin Zeljenka v Pietro Pirolt | 6-4,6-0 |
| ITF Hungary F2 Qual | 2018/05/14 11:00 | Jonathan Morr v Martin Zeljenka | 2-6,7-6,6-4 |
| ITF Austria F3 | 2018/07/14 07:15 | Andras Necz v Akram El Sallaly | 6-0,6-1 |
| ITF Czech Republic F6 Qual | 2018/07/07 12:30 | Andras Necz v Remy Bertola | 1-6,6-4,3-6 |
| ITF Czech Republic F6 Qual | 2018/07/07 07:30 | Andras Necz v Michal Lusovsky | 6-2,6-3 |
| ITF Hungary F5 Qual | 2018/06/16 08:00 | Andras Necz v Vlad Andrei Dancu | 4-6,6-4,3-6 |
| ITF Hungary F3 Qual | 2018/05/20 08:00 | Nikolas Walterscheid-Tukic v Andras Necz | 6-3,6-2 |
| ITF Hungary F2 Qual | 2018/05/12 10:30 | Andras Necz v Martin Zeljenka | 3-6,6-4,5-7 |
| ITF Germany F1 | 2018/01/07 11:30 | Andras Necz v Torben Steinorth | 1-6,3-6 |
| ITF Hungary F8 | 2017/09/05 08:00 | Andras Necz v David Damian Brna | 6-4,4-6,1-6 |