Stadium: Court 3 Round: 25 Ground: Clay
| ITF Serbia F2 | 2018/08/15 08:00 | Gabriel Donev v Duje Ajdukovic | 6-3,4-6,2-6 |
| ITF Belgium F5 | 2018/07/24 14:00 | Colin Sinclair v Gabriel Donev | 6-3,6-4 |
| ITF Germany F5 | 2018/06/28 11:00 | Gabriel Donev v Filip Bergevi | 2-6,4-6 |
| ITF Germany F5 | 2018/06/27 11:35 | Alexander Igoshin v Gabriel Donev | 2-6,2-6 |
| ITF Germany F5 | 2018/06/25 08:00 | Gabriel Donev v August Holmgren | 6-2,7-6 |
| ITF Germany F5 | 2018/06/25 08:00 | Gabriel Donev v Karlo Cubelic | 6-2,6-2 |
| ITF Romania F1 | 2018/05/22 09:20 | Gabriel Donev v Mathieu Perchicot | 3-6,1-6 |
| ITF Bulgaria F1 | 2018/05/18 09:10 | Calin Manda v Gabriel Donev | 6-1,2-6,6-2 |
| ITF Serbia F3 | 2018/08/20 08:00 | Darko Jandric v Bodin Zarkovic | 5-7,1-6 |
| ITF Serbia F3 | 2018/08/18 07:00 | Darko Jandric v Igor Banicevic | 6-2,6-0 |
| ITF Italy F23 | 2018/08/15 07:30 | Darko Jandric v Maxime Mora | 7-6,4-6,3-6 |
| ITF Italy F23 | 2018/08/14 07:30 | Darko Jandric v Horst Rieder | 6-4,1-6,6-3 |
| ITF Spain F22 | 2018/08/09 18:00 | Samuel Shropshire v Darko Jandric | 6-1,6-1 |
| ITF Spain F22 | 2018/08/07 16:00 | Darko Jandric v Felipe M Sarrasague | 7-5,6-2 |
| ITF Portugal F13 | 2018/08/01 14:50 | Darko Jandric v Francisco Cabral | 4-6,3-6 |
| ITF Sri Lanka F3 | 2018/06/26 04:00 | David Perez Sanz v Darko Jandric | 6-4,7-5 |