Stadium: Cancha La Aficion Round: 19 Ground: Hardcourt outdoor
| ITF M15 Tallahassee | 2021/10/27 18:00 | Liam Draxl v Kirkov, Vasil | 3-6,3-6 |
| Puerto Vallarta, Mexico | 2021/11/21 16:00 | Kirkov, Vasil v Aramburu Contreras, Ivar Jose | 6-1,6-2 |
| Challenger Champaign | 2021/11/19 18:25 | Kirkov, Vasil v Wolf, Jeffrey John | 3-6,2-6 |
| Challenger Champaign | 2021/11/17 16:00 | Kirkov, Vasil v Nick Chappell | 6-2,6-3 |
| Challenger Champaign | 2021/11/15 21:05 | Gunneswaran, Prajnesh v Kirkov, Vasil | 5-7,1-6 |
| ITF M15 Ithaca | 2021/11/06 13:55 | Johnson, Luke v Kirkov, Vasil | 6-1,6-1 |
| ITF M15 Ithaca | 2021/11/05 13:50 | Evan Bynoe v Kirkov, Vasil | 1-6,1-6 |
| ITF M15 Ithaca | 2021/11/04 16:45 | Colin Sinclair v Kirkov, Vasil | 3-6,4-6 |
| ITF M15 Ithaca | 2021/11/03 18:35 | Mcnally, John v Kirkov, Vasil | 7-6,2-6,1-6 |
| Puerto Vallarta, Mexico | 2021/11/21 16:00 | Novikov, Dennis v Liam Draxl | 3-6,1-6 |
| ITF M15 Fayetteville | 2021/11/03 18:55 | Liam Draxl v Patten, Henry | 1-6,4-6 |
| ITF M15 Tallahassee | 2021/10/27 18:00 | Liam Draxl v Kirkov, Vasil | 3-6,3-6 |
| ITF - M15 Vero Beach | 2021/10/23 17:30 | Liam Draxl v Juncheng Shang | 4-6,4-6 |
| ITF - M15 Vero Beach | 2021/10/22 15:55 | Liam Draxl v Ben Shelton | 6-1,6-7,6-4 |
| ITF - M15 Vero Beach | 2021/10/21 16:00 | Liam Draxl v Pourroy, Loris | 7-5,6-4 |
| ITF - M15 Vero Beach | 2021/10/20 19:00 | Liam Draxl v Kohen, Alan | 6-1,6-2 |
| ITF M15 Naples | 2021/10/14 15:00 | Benitez Chavarriaga, Juan Manuel v Liam Draxl | 6-3,6-4 |