Stadium: Court 1 Round: 26 Ground: Clay
| ITF - M15 Naples | 2022/02/08 14:50 | Fletcher Scott v Alexander Cozbinov | 5-7,3-6 |
| Challenger - Cleveland | 2022/01/30 15:00 | Alexander Cozbinov v Ulises Blanch | 6-4,4-6,4-6 |
| Challenger - Columbus | 2022/01/23 22:35 | Emilio Nava v Alexander Cozbinov | 3-6,6-2,7-6 |
| Challenger - Manama | 2021/11/21 10:00 | Alexander Cozbinov v Alexandar Lazarov | 1-6,2-6 |
| Challenger - Ortisei | 2021/11/09 09:00 | Ryan Peniston v Alexander Cozbinov | 6-3,6-2 |
| Challenger - Ortisei | 2021/11/08 11:15 | Alexander Cozbinov v Aldin Setkic | 6-3,3-6,7-6 |
| ITF - M25 Hamburg | 2021/10/19 14:00 | Lenny Hampel v Alexander Cozbinov | 6-4,6-2 |
| ITF - M15 Sozopol | 2021/10/14 17:15 | Alexander Cozbinov v Marko Tepavac | 2-6,5-7 |
| ITF - M15 Naples | 2022/02/08 17:25 | Preston Stearns v Vasil Kirkov | 5-7,1-6 |
| Challenger - Puerto Vallarta | 2021/11/21 16:00 | Vasil Kirkov v Ivar Jose Aramburu Contreras | 6-1,6-2 |
| Challenger - Champaign | 2021/11/19 18:25 | Vasil Kirkov v Jeffrey John Wolf | 3-6,2-6 |
| Challenger - Champaign | 2021/11/17 16:00 | Vasil Kirkov v Nick Chappell | 6-2,6-3 |
| Challenger - Champaign | 2021/11/15 21:05 | Prajnesh Gunneswaran v Vasil Kirkov | 5-7,1-6 |
| ITF - M15 Ithaca | 2021/11/06 13:55 | Luke Johnson v Vasil Kirkov | 6-1,6-1 |
| ITF - M15 Ithaca | 2021/11/05 13:50 | Evan Bynoe v Vasil Kirkov | 1-6,1-6 |
| ITF - M15 Ithaca | 2021/11/04 16:45 | Colin Sinclair v Vasil Kirkov | 3-6,4-6 |