Stadium: COURT 7 Round: 54 Ground: Hardcourt indoor
| ITF M15 Monastir | 2021/11/22 08:00 | Volonski, Nikita v Mattias Southcombe | 1-6,6-3,7-10 |
| ITF M15 Monastir | 2021/11/21 09:00 | Volonski, Nikita v Adrian Arcon | 6-2,6-2 |
| ITF M15 Monastir | 2021/11/15 13:00 | Volonski, Nikita v Bojarski, Alan | 6-1,5-7,7-10 |
| ITF M15 Monastir | 2021/11/15 08:00 | Volonski, Nikita v 라미아라마나나, 로포 | 6-1,6-1 |
| ITF M15 Monastir | 2021/11/14 11:00 | Volonski, Nikita v Nithithananont, Natthayut | 6-1,6-1 |
| ITF M15 Monastir | 2021/11/04 12:30 | 네그리투, 크리스토프 v Volonski, Nikita | 6-2,6-2 |
| ITF M15 Monastir | 2021/11/03 10:20 | 라만, 리사브데브 v Volonski, Nikita | 4-6,2-6 |
| ITF M15 Monastir | 2021/11/01 13:00 | Volonski, Nikita v Verdier, Thibault | 6-2,6-4 |
| ITF M15 Kazan | 2021/11/22 12:05 | 데니소브, 이반 v Egor Khotchenkov | 6-2,6-3 |
| ITF M25 Nur-Sultan | 2021/10/25 09:15 | Egor Khotchenkov v 체피크, 알렉산더 | 2-6,3-6 |
| ITF M15 Kazan | 2021/10/11 09:50 | Egor Khotchenkov v Nikita Ianin | 6-3,6-7,3-10 |