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 |
| Challenger Binghamton Qual | 2018/07/21 18:55 | Andrew Harris v Vasil Kirkov | 6-7,6-3,6-2 |
| Challenger Winnetka Qual | 2018/07/07 15:00 | Vasil Kirkov v Emil Reinberg | 5-7,2-6 |
| ITF Canada F5 | 2018/07/04 22:00 | Alexis Galarneau v Vasil Kirkov | 6-3,5-7,7-5 |
| ITF Canada F4 | 2018/06/26 17:00 | Justin Boulais v Vasil Kirkov | 6-4,6-4 |
| ITF Canada F3 | 2018/06/21 16:00 | Ricardo Rodriguez-Pace v Vasil Kirkov | 6-4,6-3 |
| ITF Canada F3 | 2018/06/19 16:00 | Justin Boulais v Vasil Kirkov | 6-2,3-6,4-6 |
| ITF Tunisia F21 | 2018/06/03 09:00 | Moez Echargui v Vasil Kirkov | 6-4,6-3 |
| ITF Tunisia F21 | 2018/06/02 09:00 | Gabriel Petit v Vasil Kirkov | 1-6,2-6 |
| ITF USA F22 Qual | 2018/08/04 13:30 | Justin Lunn v Sid Donarski | 0-6,2-6 |
| ITF USA F21 Qual | 2018/07/28 14:00 | Matias Soto v Sid Donarski | 6-2,6-4 |
| ITF USA F16 | 2018/06/17 17:00 | Cannon Kingsley v Sid Donarski | 6-0,6-1 |
| ITF USA F16 | 2018/06/16 17:00 | Jordan Benjamin v Sid Donarski | 6-7,6-7 |
| ITF USA F14 | 2018/06/10 15:00 | Alexander Knight v Sid Donarski | 6-1,7-5 |
| 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 |