Stadium: Court 1 Round: 44 Ground: Clay
| ITF Slovakia F3 | 2018/08/07 10:00 | Leon Petko v Rio Noguchi | 2-6,0-6 |
| ITF Slovakia F2 | 2018/07/29 13:00 | Paul Jubb v Leon Petko | 6-2,6-2 |
| ITF Slovakia F1 | 2018/07/21 11:00 | Leon Petko v Tino Kovacic | 2-6,7-5,5-7 |
| ITF Hungary F2 Qual | 2018/05/13 08:00 | Enej Berghaus v Leon Petko | 7-6,5-7,6-3 |
| ITF Hungary F7 Qual | 2017/08/27 11:00 | Milen Ianakiev v Leon Petko | 6-4,6-0 |
| ITF Hungary F6 Qual | 2017/08/21 08:30 | Isa Mammetgulyyev v Leon Petko | 6-3,6-4 |
| ITF Slovakia F3 | 2017/08/07 10:00 | Darko Bojanovic v Leon Petko | 6-3,6-2 |
| ITF Slovakia F3 | 2017/08/06 07:00 | Patrik Jancovic v Leon Petko | 6-2,3-6,2-6 |
| ITF Slovakia F3 | 2018/08/05 10:00 | Albert Sprlak Puk v Peter Vajda | 6-2,6-4 |
| ITF Slovakia F2 | 2018/08/01 09:25 | Peter Vajda v Marek Semjan | 4-6,4-6 |
| ITF Slovakia F1 | 2018/07/23 09:00 | Peter Vajda v Tomas Jirousek | 0-6,3-6 |
| ITF Slovakia F1 | 2018/07/22 08:00 | Peter Vajda v Marko Pavlovic | 6-3,6-1 |
| ITF Slovakia F1 | 2018/07/21 11:00 | Samuel Hodor v Peter Vajda | 5-7,3-6 |
| ITF Czech Republic F6 Qual | 2018/07/07 14:30 | Richard Muzaev v Peter Vajda | 6-7,6-3,6-1 |
| ITF Czech Republic F6 Qual | 2018/07/07 09:30 | Peter Vajda v Philip Bachmaier | 6-2,6-4 |
| ITF Czech Republic F5 Qual | 2018/07/01 08:00 | Peter Vajda v David Mrazek | 3-6,3-6 |