Stadium: COURT 7 Round: 25 Ground: Hardcourt indoor
| ITF M15 Kazan | 2021/11/23 10:30 | Alexander Zgirovsky v Daniil Gusev | 6-1,6-1 |
| ITF M15 Kazan | 2021/11/22 07:00 | Alexander Zgirovsky v Daniil Nabatchikov | 6-1,6-0 |
| ITF M15 Kazan | 2021/10/14 10:50 | Ivan Liutarevich v Alexander Zgirovsky | 3-6,6-4,6-1 |
| ITF M15 Kazan | 2021/10/13 12:00 | Alexander Zgirovsky v Grigoriy Lomakin | 3-6,6-2,6-4 |
| Davis Cup | 2021/09/19 16:05 | Diego Schwartzman v Alexander Zgirovsky | 6-1,6-2 |
| ITF M15 Telavi | 2021/08/03 07:35 | Alexander Zgirovsky v Grigoriy Lomakin | 6-3,1-6,2-6 |
| ITF M25 Telavi | 2021/07/30 08:05 | Boris Butulija v Alexander Zgirovsky | 6-2,7-6 |
| ITF M15 Novomoskovsk | 2021/06/04 12:30 | Danylo Kalenichenko v Alexander Zgirovsky | 6-2,6-3 |
| ITF M15 Antalya | 2021/10/18 07:00 | Vladimir Korolev v Lambert Ruland | 3-6,1-6 |
| ITF M15 Antalya | 2021/10/17 08:00 | Vladimir Korolev v Egor Novikov | 7-5,7-6 |
| ITF M15 Antalya | 2021/10/14 09:55 | Vladimir Korolev v Mircea-Alexandru Jecan | 1-6,3-6 |
| ITF M15 Antalya | 2021/10/13 10:15 | Vladimir Korolev v Alberto Morolli | 7-5,3-6,6-3 |
| ITF M15 Sozopol | 2021/09/15 07:00 | Vladimir Korolev v Ryan James Storrie | 6-0,3-6,2-6 |
| ITF M15 Antalya | 2021/06/30 06:30 | Vladimir Korolev v Patrik Rikl | 4-6,4-6 |
| ITF M15 Antalya | 2021/06/29 09:35 | Vladimir Korolev v Francisco Llanes | 7-5,1-6,11-9 |
| ITF M15 Antalya | 2021/06/28 10:50 | Vladimir Korolev v Nikolay Sysoev | 6-1,6-0 |