Stadium: Court 20 Round: 26 Ground: Clay
| ITF - M15 Antalya | 2021/03/17 09:35 | Matheus P De Almeida v Alexander Weis | 6-1,6-1 |
| ITF - M15 Antalya | 2021/03/14 09:00 | Matheus P De Almeida v Zekic, Miljan | 6-4,6-4 |
| ITF - M15 Antalya | 2021/03/13 10:35 | Dima, Dragos v Matheus P De Almeida | 3-6,1-6 |
| ITF - M15 Antalya | 2021/03/12 07:00 | Matheus P De Almeida v Oleksandr Ovcharenko | 6-3,6-2 |
| ITF - M15 Antalya | 2021/03/11 06:55 | Matheus P De Almeida v Sarp Agabigun | 7-6,6-4 |
| ITF - M15 Antalya | 2021/03/10 07:00 | Yshai Oliel v Matheus P De Almeida | 6-7,6-7 |
| ITF - M15 Antalya | 2021/03/04 07:00 | Madaras, Dragos Nicolae v Matheus P De Almeida | 6-3,6-3 |
| ITF - M15 Antalya | 2021/03/03 09:40 | Matheus P De Almeida v Alexander Shevchenko | 6-2,6-4 |
| ITF - M15 Antalya | 2021/03/17 10:00 | Cozbinov, Alexander v Vanneste, Jeroen | 6-0,6-3 |
| ITF M15 Kazan | 2021/03/10 15:10 | Yanki Erel v Cozbinov, Alexander | 6-3,6-4 |
| ITF M15 St Petersburg | 2021/02/12 11:35 | Jan Choinski v Cozbinov, Alexander | 6-2,6-7,6-4 |
| ITF M15 St Petersburg | 2021/02/11 11:15 | Andrey Chepelev v Cozbinov, Alexander | 0-6,2-6 |
| ITF M15 St Petersburg | 2021/02/10 10:10 | Cozbinov, Alexander v Daniel Michalski | 3-6,6-1,6-1 |
| ITF M15 St Petersburg | 2021/02/08 07:00 | Cozbinov, Alexander v Noskin, Egor | 3-6,6-0,10-5 |
| ITF M15 St Petersburg Qual | 2021/02/07 10:00 | Cozbinov, Alexander v Leonid Sheyngezikht | 6-4,6-3 |
| ITF M15 St Petersburg | 2021/02/05 08:30 | Alibek Kachmazov v Cozbinov, Alexander | 6-4,7-6 |