Stadium: Court 2 Round: 27 Ground: Clay
| ITF M15 Novomoskovsk | 2021/06/04 09:30 | Danylo Kalenichenko v Fermin Tenti | 6-1,6-4 |
| ITF M15 Novomoskovsk | 2021/06/03 14:00 | Danylo Kalenichenko v Bruno P Navarro | 3-6,6-4,10-7 |
| ITF M15 Novomoskovsk | 2021/05/26 06:15 | Danylo Kalenichenko v Fermin Tenti | 4-6,2-6 |
| ITF M15 Prijedor | 2021/05/14 10:40 | Danylo Kalenichenko v Nerman Fatic | 5-7,2-6 |
| ITF M15 Prijedor | 2021/05/11 10:00 | Danylo Kalenichenko v Maximilian Neuchrist | 6-2,3-6,6-3 |
| ITF M15 Monastir | 2021/04/20 11:15 | Danylo Kalenichenko v Christoph Negritu | 2-6,4-6 |
| ITF M15 Monastir | 2021/04/15 11:25 | Franco Agamenone v Danylo Kalenichenko | 6-2,6-0 |
| ITF M15 Monastir | 2021/04/13 08:30 | Sabit Suntic v Danylo Kalenichenko | 0-6,1-6 |
| ITF M15 Novomoskovsk | 2021/06/03 11:45 | Alexander Zgirovsky v Gabriel Donev | 6-2,3-6,10-8 |
| ITF M15 Novomoskovsk | 2021/05/31 13:45 | Alexander Zgirovsky v Piotr Pawlak | 6-3,6-1 |
| ITF M15 Novomoskovsk | 2021/05/31 06:15 | Alexander Zgirovsky v Dmitrii Vasilev | 6-1,6-1 |
| ITF M15 Novomoskovsk | 2021/05/30 06:15 | Alexander Zgirovsky v Inaki Cabrera Bello | 6-0,6-4 |
| ITF M15 Novomoskovsk | 2021/05/25 08:45 | Gabriel Donev v Alexander Zgirovsky | 6-4,6-2 |
| ITF M15 Novomoskovsk | 2021/05/24 12:00 | Olexiy Kolisnyk v Alexander Zgirovsky | 7-6,2-6,8-10 |
| ITF M15 Novomoskovsk | 2021/05/23 08:00 | Egor Matvievici v Alexander Zgirovsky | 1-6,3-6 |
| ITF M15 St Petersburg | 2021/04/12 08:30 | Daniil Glinka v Alexander Zgirovsky | 7-6,7-6 |