Stadium: Court 5 Round: 54 Ground: Clay
| ITF M15 Wels | 2019/07/24 14:25 | David Szintai v Tomas Jirousek | 6-7,1-6 |
| ITF M15 Wels | 2019/07/22 11:00 | David Szintai v Luis Humberto Lopez | 6-4,6-3 |
| ITF M15 Wels | 2019/07/22 07:30 | David Szintai v Luka Mrsic | 2-6,6-4,14-12 |
| ITF M15 Piestany | 2019/07/17 11:35 | David Szintai v Fabian Marozsan | 3-6,3-6 |
| ITF M15 Piestany | 2019/07/16 07:00 | David Szintai v Daniel Paty | 1-6,6-3,12-10 |
| ITF M15 Piestany | 2019/07/15 09:00 | David Szintai v Mate Voros | 6-3,6-2 |
| ITF M15 Balatonalmadi | 2019/06/19 15:10 | Charles Broom v David Szintai | 6-3,3-6,6-4 |
| ITF M25 Gyula | 2019/05/29 07:00 | Vit Kopriva v David Szintai | 6-0,7-6 |
| ITF M25 Gyula | 2019/05/27 12:30 | Peter Sallay v Martin Zeljenka | 6-2,6-2 |
| 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 |