Round: 54 Ground: Clay
| ITF Hungary F5 Qual | 2018/06/16 12:00 | Mircea-Alexandru Jecan v Peter Sallay | 6-2,6-3 |
| ITF Hungary F1 Qual | 2018/05/06 10:00 | Peter Sallay v Gasper Bezjak | 6-7,6-7 |
| Challenger Budapest Qual | 2018/02/03 19:05 | Patrik Nema v Peter Sallay | 6-3,6-4 |
| ITF Hungary F6 | 2017/08/22 13:45 | Peter Sallay v Thomas Colautti | 3-6,2-6 |
| ITF Hungary F3 Qual | 2016/04/30 08:00 | Peter Makk v Peter Sallay | 6-2,6-4 |
| ITF Hungary F1 Qual | 2016/04/17 10:00 | Gabor Mathe v Peter Sallay | 6-4,6-3 |
| ITF M15 Brcko | 2019/05/21 11:00 | Shunsuke Wakita v Martin Zeljenka | 6-3,6-1 |
| ITF M15 Piestany | 2019/05/06 08:00 | Noah Thurner v Martin Zeljenka | 6-3,6-4 |
| ITF Czech Republic F9 | 2018/11/04 15:00 | Martin Zeljenka v Bartosz Wojnar | 6-7,4-6 |
| ITF Hungary F7 | 2018/08/29 12:55 | Martin Zeljenka v Wilson Leite | 1-6,4-6 |
| ITF Hungary F6 | 2018/08/21 12:50 | Danylo Kalenichenko v Martin Zeljenka | 6-1,6-3 |
| ITF Hungary F6 | 2018/08/20 09:00 | Bartosz Wojnar v Martin Zeljenka | 4-6,6-7 |
| ITF Slovakia F3 | 2018/08/07 08:00 | Martin Zeljenka v Jack Draper | 4-6,2-6 |
| ITF Slovakia F3 | 2018/08/06 08:00 | Isa Mammetgulyyev v Martin Zeljenka | 6-3,1-6,1-6 |