Round: 62 Ground: Clay
| ITF Hungary F2 Qual | 2018/05/13 08:00 | David Damian Brna v Norbert Nagyi | 6-2,2-6,7-5 |
| ITF Poland F2 | 2018/05/07 08:00 | David Damian Brna v Jannik Sinner | 2-6,4-6 |
| ITF Poland F2 | 2018/05/06 08:00 | David Damian Brna v Tim Van Der Horst | 4-6,6-3,6-3 |
| ITF Czech Republic F11 Qual | 2017/11/20 13:40 | Alessandro Ricci v David Damian Brna | 6-4,7-6 |
| ITF Czech Republic F11 Qual | 2017/11/19 09:00 | David Mrazek v David Damian Brna | 3-6,4-6 |
| Challenger Bratislava Qual | 2017/11/05 09:00 | Kamil Majchrzak v David Damian Brna | 6-0,6-3 |
| Challenger Bratislava Qual | 2017/11/04 09:00 | David Damian Brna v Albert Sprlak Puk | 6-3,6-4 |
| ITF Czech Republic F8 Qual | 2017/10/31 10:10 | Michael Vrbensky v David Damian Brna | 6-2,6-4 |
| ITF Turkey F18 | 2018/05/07 07:30 | Koray Kirci v Nick Cmager | 6-2,7-5 |
| ITF Turkey F18 | 2018/05/06 07:30 | Nick Cmager v Cade Birrell | 3-6,6-3,6-2 |
| ITF Turkey F17 | 2018/04/30 07:30 | Nick Cmager v Juan R Bisono | 4-6,2-6 |
| ITF Turkey F17 | 2018/04/29 07:30 | Gleb Alekseenko v Nick Cmager | 3-6,1-6 |
| ITF Turkey F17 | 2018/04/28 07:30 | Vital Flurin Leuch v Nick Cmager | 3-6,1-6 |