Stadium: Court 11 Round: 25 Ground: Hardcourt outdoor
| 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 |
| ITF M25 Vero Beach | 2021/10/19 16:00 | Diogo Marques v Nikolay Sysoev | 6-2,6-4 |
| ITF M25 Vero Beach | 2021/10/18 16:00 | Nikolay Sysoev v Jordan Parker | 6-2,6-7,10-7 |
| ITF M15 Naples | 2021/10/12 13:30 | Tristan McCormick v Nikolay Sysoev | 4-6,6-4,10-5 |
| ITF M15 Naples | 2021/10/11 14:30 | Xavier Lawrence v Nikolay Sysoev | 7-6,3-6,3-10 |
| UTR Pro Tennis Series Canberra | 2021/12/09 23:00 | Scott Webster v Winter Meagher | 6-2,6-2 |
| UTR Pro Tennis Series Canberra | 2021/12/08 01:00 | Alexander Despoja v Winter Meagher | 6-7,6-2,2-6 |
| UTR Pro Tennis Series Canberra | 2021/12/06 01:00 | Edward Vo v Winter Meagher | 6-1,6-5 |
| UTR Pro Tennis Series Carrara | 2021/11/06 03:30 | Robert Stirling v Winter Meagher | 6-3,4-1 |
| UTR Pro Tennis Series Carrara | 2021/11/05 00:30 | Winter Meagher v Thomas Braithwaite | 4-6,6-3,6-4 |
| UTR Pro Tennis Series Carrara | 2021/11/03 00:30 | Winter Meagher v Patrick C Beadman | 3-6,7-6,5-0 |
| UTR Pro Tennis Series Carrara | 2021/11/02 00:30 | Winter Meagher v Sam Ryan Ziegann | 5-7,7-6,5-3 |
| UTR Pro Tennis Series Carrara | 2021/11/01 02:00 | Akira Santillan v Winter Meagher | 6-2,6-4 |