Stadium: Court 3 Round: 62 Ground: Clay
| 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 Bulgaria F1 | 2018/05/17 07:00 | Gabriel Donev v Stefan Seifert | 6-4,6-1 |
| ITF Bulgaria F1 | 2018/05/16 08:35 | Gabriel Donev v Andrej Glvac | 5-7,6-3,6-0 |
| ITF Turkey F11 | 2018/03/23 08:00 | Gabriel Donev v Peter Heller | 1-6,6-1,3-6 |
| ITF Turkey F11 | 2018/03/22 07:30 | Aleksandr Nedovyesov v Gabriel Donev | 5-7,2-6 |
| ITF Turkey F11 | 2018/03/20 09:30 | Gabriel Donev v Juan Bautista Otegui | 4-6,6-3,7-5 |
| ITF Turkey F11 | 2018/03/19 07:00 | Gabriel Donev v Felipe Garla | 6-4,6-4 |
| ITF Germany F4 | 2018/06/20 13:25 | August Holmgren v Dimitar Kuzmanov | 1-6,1-6 |
| ITF Germany F4 | 2018/06/18 08:30 | Daniil Klimov v August Holmgren | 1-6,1-6 |
| ITF Germany F4 | 2018/06/17 12:00 | Caspar Schuetze v August Holmgren | 2-6,3-6 |
| ITF Germany F4 | 2018/06/16 10:30 | August Holmgren v Lawrence Bataljin | 6-2,6-4 |
| ITF USA F2 Qual | 2018/01/07 18:00 | Brandon Nakashima v August Holmgren | 6-3,6-2 |
| ITF USA F2 Qual | 2018/01/06 21:00 | Victor Krustev v August Holmgren | 5-7,3-6 |
| ITF Belgium F9 | 2017/08/14 14:25 | Jeroen Vanneste v August Holmgren | 6-3,6-3 |
| ITF Belgium F4 Qual | 2017/07/09 12:30 | August Holmgren v Clement Tabur | 2-6,4-6 |