| ITF Serbia F2 MD | 2018/08/17 11:35 | Echargui/Nagy v Donev/Milushev | 5-7,6-4,10-6 |
| ITF Serbia F2 MD | 2018/08/13 12:00 | Donev/Milushev v Rogic-Hadzalic/Wakita | 6-2,6-3 |
| ITF Bulgaria F1 MD | 2018/05/17 11:40 | Donev/Milushev v Boltz/Silva | 3-6,3-6 |
| ITF Bulgaria F1 MD | 2018/05/16 12:30 | Donev/Milushev v Dimitrov/Palazov | 7-5,6-3 |