Stadium: Court 10 Round: 54 Ground: Clay
| ITF - M15 Antalya | 2021/11/24 09:15 | Igor Kudriashov v Hamad Medjedovic | 1-6,3-6 |
| ITF - M15 Antalya | 2021/11/17 06:30 | Cezar Cretu v Igor Kudriashov | 6-4,7-6 |
| ITF - M15 Antalya | 2021/11/10 09:15 | Madaras, Dragos Nicolae v Igor Kudriashov | 6-2,6-0 |
| ITF - M15 Antalya | 2021/11/04 06:30 | Mircea-Alexandru Jecan v Igor Kudriashov | 6-4,7-6 |
| ITF - M15 Antalya | 2021/11/03 13:00 | Igor Kudriashov v Mert Naci Turker | 6-4,6-3 |
| ITF - M15 Antalya | 2021/11/02 11:00 | Marlon Vankan v Igor Kudriashov | 5-7,6-4,5-10 |
| ITF M15 Kazan | 2021/10/13 15:15 | Igor Kudriashov v Egor Agafonov | 6-7,7-6,4-6 |
| ITF M15 Curtea de Arges | 2021/08/11 07:00 | Igor Kudriashov v Francesco Passaro | 1-6,4-6 |
| ITF M15 Kazan | 2021/11/24 07:00 | Alexander Zgirovsky v Korolev, Vladimir | 6-4,6-3 |
| ITF - M15 Antalya | 2021/10/18 07:00 | Korolev, Vladimir v Lambert Ruland | 3-6,1-6 |
| ITF - M15 Antalya | 2021/10/17 08:00 | Korolev, Vladimir v Novikov, Egor | 7-5,7-6 |
| ITF - M15 Antalya | 2021/10/14 09:55 | Korolev, Vladimir v Mircea-Alexandru Jecan | 1-6,3-6 |
| ITF - M15 Antalya | 2021/10/13 10:15 | Korolev, Vladimir v Alberto Morolli | 7-5,3-6,6-3 |
| ITF M15 Sozopol | 2021/09/15 07:00 | Korolev, Vladimir v Ryan James Storrie | 6-0,3-6,2-6 |
| ITF - M15 Antalya | 2021/06/30 06:30 | Korolev, Vladimir v Rikl, Patrik | 4-6,4-6 |
| ITF - M15 Antalya | 2021/06/29 09:35 | Korolev, Vladimir v Llanes, Francisco | 7-5,1-6,11-9 |