| UTR Pro Tennis Series Florida | 2022/01/07 19:30 | Harrison Gold v Nikolay Sysoev | 0-6,3-4 |
| UTR Pro Tennis Series Florida | 2022/01/06 14:00 | JanMagnus Johnson v Nikolay Sysoev | 6-4,6-4 |
| UTR Pro Tennis Series Florida | 2022/01/05 17:10 | Matthis Ross v Nikolay Sysoev | 6-4,4-6,6-4 |
| UTR Pro Tennis Series Florida | 2022/01/03 18:30 | Peter Murphy v Nikolay Sysoev | 2-6,6-1,4-6 |
| ITF M15 Cancun | 2021/12/14 16:00 | Daniel Antonio Nunez v Nikolay Sysoev | 6-4,2-6,10-8 |
| ITF M15 Cancun | 2021/12/13 17:00 | Nikolay Sysoev v Ren Nakamura | 2-6,6-2,10-3 |
| ITF M15 Cancun | 2021/12/12 15:00 | Nikolay Sysoev v Jose E Yapur | 6-0,6-1 |
| ITF M15 Cancun | 2021/12/06 14:00 | Nikolay Sysoev v Trent Bryde | 4-6,6-3,5-10 |
| UTR Pro Tennis Series Florida | 2022/01/06 19:00 | Alexander Brown v Javier Gonzalez | 6-4,6-5 |
| UTR Pro Tennis Series Florida | 2022/01/05 18:10 | Alexander Brown v Alexander Kotzen | 7-5,1-6,3-6 |
| UTR Pro Tennis Series Florida | 2022/01/04 14:00 | Alexander Brown v Top Nidunjianzan | 1-6,4-6 |
| UTR Pro Tennis Series Florida | 2022/01/03 21:59 | Alexander Brown v Logan Zapp | 6-4,6-3 |
| ITF M15 East Lansing | 2021/11/20 19:55 | Raymond Sarmiento v Alexander Brown | 6-1,5-7,6-4 |
| ITF M15 East Lansing | 2021/11/19 17:55 | Alexander Brown v Nino Ehrenschneider | 6-4,1-6,6-3 |
| ITF M15 East Lansing | 2021/11/18 18:00 | Alexander Brown v Garrett Johns | 6-4,1-6,6-1 |
| ITF M15 East Lansing | 2021/11/17 18:00 | Alexander Brown v Niroop Vallabhaneni | 6-4,6-4 |