Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF USA F22 | 2018/08/08 18:30 | Santiago Rodriguez Taverna v Vasil Kirkov | 3-6,6-3,6-4 |
| ITF USA F22 Qual | 2018/08/06 13:30 | Vasil Kirkov v Gage Brymer | 7-6,6-4 |
| ITF USA F22 Qual | 2018/08/05 14:30 | Vasil Kirkov v Sid Donarski | 6-3,6-2 |
| 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 USA F23 Qual | 2018/08/13 15:50 | Alan Kohen v Matt Kuhar | 6-2,6-4 |
| ITF Argentina F2 | 2018/05/20 13:00 | Alan Kohen v Gabriel P Tumasonis | 4-6,6-7 |
| ITF Argentina F2 | 2018/05/19 12:00 | Alan Kohen v Daniel Alejandro Ortiz | 6-4,6-2 |
| ITF Argentina F1 | 2018/05/16 12:00 | Alan Kohen v Matias Zukas | 2-6,0-6 |
| ITF Argentina F1 | 2018/05/15 12:00 | Alan Kohen v Ignacio Monzon | 5-7,6-2,6-3 |
| ITF Greece F3 | 2018/03/14 14:20 | Alan Kohen v Nikita Mashtakov | 6-2,6-7,7-6 |
| ITF Greece F3 | 2018/03/12 08:00 | Duje Ajdukovic v Alan Kohen | 6-7,6-7 |
| ITF Greece F3 | 2018/03/11 08:00 | Alan Kohen v Calin Manda | 6-4,6-0 |