Round: 62 Ground: Clay
| ITF - Slowakei F2 | 2018/07/29 07:00 | David Damian Brna v Matej Cintl | 6-4,6-0 |
| ITF - Slowakei F1 | 2018/07/24 09:00 | David Damian Brna v Danylo Kalenichenko | 3-6,1-6 |
| ITF - Tschechien F6 - Qualifikation | 2018/07/07 12:30 | Albert Sprlak Puk v David Damian Brna | 2-6,6-2,6-4 |
| ITF - Tschechien F6 - Qualifikation | 2018/07/07 07:30 | Patrik Jancovic v David Damian Brna | 4-6,2-6 |
| ITF - Tschechien F5 - Qualifikation | 2018/07/01 08:00 | David Damian Brna v Egor Matvievici | 6-3,4-6,3-6 |
| ITF - Ungarn F5 - Qualifikation | 2018/06/18 08:00 | Eduardo Dischinger v David Damian Brna | 3-6,6-4,6-0 |
| ITF - Ungarn F3 - Qualifikation | 2018/05/20 10:00 | David Damian Brna v Nick Cmager | 2-6,7-5,4-6 |
| ITF - Ungarn F2 | 2018/05/15 11:20 | David Damian Brna v Fabian Marozsan | 1-6,5-7 |