Stadium: Court 1 Round: 29 Ground: Hardcourt outdoor
| ITF Bulgaria F1 MD | 2018/05/17 13:00 | Filip/Luncanu v Donski/Kirkov | 6-7,4-6 |
| ITF Bulgaria F1 MD | 2018/05/16 10:55 | Donski/Kirkov v Manda/Melnic | 6-3,7-6 |
| 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 10:00 | Georgescu/Valeov v Boltz/Silva | 1-6,2-6 |