Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/10/06 11:50 | Nikita Volonski v Guy Den Ouden | 7-5,2-6,1-6 |
| ITF M15 Monastir | 2021/10/04 13:00 | Mikail Alimli v Nikita Volonski | 6-4,1-6,3-10 |
| ITF M15 Monastir | 2021/10/04 09:00 | Rishabdev Raman v Nikita Volonski | 1-6,2-6 |
| UTR Pro Tennis Series Canberra | 2021/04/24 04:30 | Nikita Volonski v Lachlan Rowing | 0-0 |
| UTR Pro Tennis Series Canberra | 2021/04/23 03:00 | Nikita Volonski v Scott Puodziunas | 1-6,4-6 |
| UTR Pro Tennis Series Canberra | 2021/04/21 00:00 | Nikita Volonski v Omar Jasika | 4-6,4-6 |
| UTR Pro Tennis Series Canberra | 2021/04/19 23:30 | Nikita Volonski v Dayne Kelly | 1-6,2-6 |
| UTR Pro Tennis Series Canberra | 2021/04/18 23:30 | Casey Hoole v Nikita Volonski | 7-5,5-3 |
| ITF M15 Monastir | 2021/10/11 08:00 | Egor Tsarapkin v Rishabdev Raman | 6-2,7-5 |
| ITF M15 Monastir | 2021/09/19 09:00 | Kazuma Kawachi v Egor Tsarapkin | 6-1,6-1 |
| ITF M15 Monastir | 2021/09/05 08:00 | Egor Tsarapkin v Michael Zhu | 1-6,2-6 |
| ITF M15 Monastir | 2021/08/30 13:00 | Alex Knaff v Egor Tsarapkin | 6-3,6-3 |
| ITF M15 Monastir | 2021/08/30 08:00 | Egor Tsarapkin v Thanapet Chanta | 6-2,6-2 |