Stadium: EHS Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF Dominican Republic F2 | 2017/12/02 17:00 | Vasil Kirkov v Sid Donarski | 6-3,6-4 |
| ITF Tunisia F21 | 2018/05/30 11:35 | Vasil Kirkov v Worarin Kumthonkittikul | 5-7,7-6,6-1 |
| ITF Tunisia F21 | 2018/05/27 09:00 | Vasil Kirkov v Mislav Bosnjak | 5-7,6-4,6-1 |
| ITF Tunisia F20 | 2018/05/22 11:25 | Vasil Kirkov v Nicholas Horton | 3-6,6-3,1-6 |
| ITF Bulgaria F1 | 2018/05/18 07:00 | Vasil Kirkov v Sebastien Boltz | 6-7,2-6 |
| ITF Bulgaria F1 | 2018/05/17 07:00 | Markos Kalovelonis v Vasil Kirkov | 7-6,4-6,3-6 |
| ITF Bulgaria F1 | 2018/05/16 07:00 | Venci Ivanov v Vasil Kirkov | 1-6,2-6 |
| ITF Israel F6 | 2018/05/12 07:30 | Matias Franco Descotte v Vasil Kirkov | 6-4,6-3 |
| ITF Israel F6 | 2018/05/11 07:30 | Alon Elia v Vasil Kirkov | 7-5,1-6,3-6 |
| ITF Israel F6 | 2018/05/05 06:30 | Emmanuel Luria v Sid Donarski | 6-4,6-2 |
| ITF Israel F5 | 2018/04/28 07:30 | Alexey Aleshchev v Sid Donarski | 6-2,6-3 |
| ITF Qatar F3 Qual | 2018/03/11 12:00 | Gabor Borsos v Sid Donarski | 6-3,6-2 |
| ITF Qatar F3 Qual | 2018/03/10 08:00 | Francis Pare v Sid Donarski | 3-6,2-6 |
| ITF Qatar F2 Qual | 2018/03/04 13:15 | Sid Donarski v Dan Alexandru Tomescu | 5-7,5-7 |
| ITF Qatar F2 Qual | 2018/03/03 09:45 | Bogdan Didenko v Sid Donarski | 2-6,2-6 |
| ITF Qatar F1 Qual | 2018/02/25 12:00 | Sid Donarski v Vuk Velickovic | 2-6,2-6 |
| ITF Qatar F1 Qual | 2018/02/24 08:00 | Sid Donarski v Eric Ahren Moonga | 7-6,7-5 |