Round: 62 Ground: Clay
| ITF Turkey F24 | 2017/06/22 07:00 | Sieber, Marc v Gabriel Donev | 6-2,6-1 |
| ITF Turkey F24 | 2017/06/21 08:40 | Boris Butulija v Gabriel Donev | 1-6,0-6 |
| ITF Turkey F22 | 2017/06/08 07:00 | Vilella Martinez, Mario v Gabriel Donev | 6-1,6-2 |
| ITF Turkey F22 | 2017/06/07 07:00 | Alekseenko, Vadim v Gabriel Donev | 0-6,3-6 |
| ITF Turkey F22 | 2017/06/05 07:00 | Gabriel Donev v Koray Kirci | 6-1,6-4 |
| ITF Turkey F22 | 2017/06/04 09:30 | Gabriel Donev v Juksa, Deivids | 6-1,6-3 |
| ITF Bosnia and Herzegovina F2 | 2017/05/30 12:55 | Elmar Ejupovic v Gabriel Donev | 6-1,6-1 |
| ITF Bosnia and Herzegovina F2 Qual | 2017/05/29 08:00 | Gabriel Donev v Boris Butulija | 6-1,6-4 |
| ITF Turkey F26 Qual | 2017/07/15 07:00 | Vazquez Machuca, Andres v Valeov, Hristo | 4-6,2-6 |
| Turkey F25, Singles Qualifying | 2017/07/08 09:00 | Valeov, Hristo v Paez, Jose Maria | 3-6,2-6 |
| ITF Turkey F24 Qual | 2017/06/18 09:30 | Greven, Marvin v Valeov, Hristo | 6-3,6-0 |
| ITF Turkey F23 Qual | 2017/06/10 09:30 | Valeov, Hristo v Mesquida Berg, Oscar | 5-7,6-7 |
| ITF Bulgaria F1 Qual | 2017/05/08 09:30 | Anagnastopol, Victor v Valeov, Hristo | 6-3,6-0 |
| ITF Bulgaria F1 Qual | 2017/05/07 07:00 | Luckanov, Stefan v Valeov, Hristo | 0-6,1-6 |