| Rochester, Singles M-ITF-USA-19A | 2019/06/26 23:05 | Strong Kirchheimer v Kirkov, Vasil | 6-4,6-1 |
| ITF USA F32 | 2017/09/27 19:15 | Strong Kirchheimer v Kirkov, Vasil | 6-3,3-6,7-6 |
| US Pro Tennis Series East Coast | 2020/06/04 14:00 | Zverev, Mischa v Kirkov, Vasil | 6-7,5-7 |
| ITF - M15 Héraklion | 2020/03/12 10:15 | Petr Michnev v Kirkov, Vasil | 3-6,1-6 |
| ITF - M15 Héraklion | 2020/03/06 10:30 | Kirkov, Vasil v Filip Cristian Jianu | 0-6,3-6 |
| ITF - M15 Héraklion | 2020/03/05 09:45 | Kirkov, Vasil v Khomentovskiy, Matvey | 6-3,6-0 |
| ITF - M15 Héraklion | 2020/03/04 12:30 | Nicholas David Ionel v Kirkov, Vasil | 5-7,3-6 |
| ITF - M15 Héraklion | 2020/02/29 11:20 | Kirkov, Vasil v Nicholas David Ionel | 3-6,3-6 |
| ITF - M15 Héraklion | 2020/02/28 10:05 | March, Antonio Cayetano v Kirkov, Vasil | 1-6,3-6 |
| ITF - M15 Héraklion | 2020/02/27 08:30 | Kirkov, Vasil v Lucas Catarina | 7-6,6-2 |
| US Pro Tennis Series East Coast | 2020/06/04 11:30 | El Midhawy, Adam v Strong Kirchheimer | 4-6,4-6 |
| International Tennis Series | 2020/05/17 16:20 | Strong Kirchheimer v Seelig, Kyle | 4-0,4-1 |
| International Tennis Series | 2020/05/17 13:05 | Strong Kirchheimer v Dmitry Popko | 4-1,3-4,4-2 |
| International Tennis Series | 2020/05/17 12:00 | Strong Kirchheimer v Cannon Kingsley | 4-2,4-0 |
| International Tennis Series | 2020/05/15 21:00 | Felix Corwin v Strong Kirchheimer | 4-2,0-4,4-2 |
| International Tennis Series | 2020/05/15 19:05 | Strong Kirchheimer v Seelig, Kyle | 4-2,4-3 |
| International Tennis Series | 2020/05/15 18:25 | Strong Kirchheimer v Zarazua, Patricio | 4-1,4-0 |
| International Tennis Series | 2020/05/14 22:50 | Strong Kirchheimer v Noah Schachter | 4-0,4-0 |