Stadium: MTA 21 Round: 62 Ground: Clay
| ITF M15 Antalya | 2021/03/18 07:00 | Matheus Pucinelli De Almeida v Alexander Cozbinov | 6-2,6-4 |
| ITF M15 Antalya | 2021/03/17 10:00 | Alexander Cozbinov v Jeroen Vanneste | 6-0,6-3 |
| ITF M15 Kazan | 2021/03/10 15:10 | Yanki Erel v Alexander Cozbinov | 6-3,6-4 |
| ITF M15 St Petersburg | 2021/02/12 11:35 | Jan Choinski v Alexander Cozbinov | 6-2,6-7,6-4 |
| ITF M15 St Petersburg | 2021/02/11 11:15 | Andrey Chepelev v Alexander Cozbinov | 0-6,2-6 |
| ITF M15 St Petersburg | 2021/02/10 10:10 | Alexander Cozbinov v Daniel Michalski | 3-6,6-1,6-1 |
| ITF M15 St Petersburg | 2021/02/08 07:00 | Alexander Cozbinov v Egor Noskin | 3-6,6-0,10-5 |
| ITF M15 St Petersburg Qual | 2021/02/07 10:00 | Alexander Cozbinov v Leonid Sheyngezikht | 6-4,6-3 |
| ITF M15 Antalya | 2021/03/15 08:30 | Vlad Andrei Dancu v Taiyo Yamanaka | 6-3,6-3 |
| ITF M15 Antalya | 2021/03/14 07:00 | Taiyo Yamanaka v Vladislav Sveridenko | 6-4,6-1 |
| ITF M15 Antalya | 2021/03/10 12:55 | Taiyo Yamanaka v Nicolae Frunza | 2-6,2-6 |
| ITF M15 Antalya | 2021/03/09 07:00 | Taiyo Yamanaka v Obrad Markovski | 1-6,7-5,10-3 |
| ITF M15 Antalya | 2021/03/07 07:00 | Osmancan Soyler v Taiyo Yamanaka | 0-6,1-6 |
| ITF M15 Antalya | 2021/03/03 12:20 | Seong Chan Hong v Taiyo Yamanaka | 3-6,6-4,6-2 |
| ITF M15 Antalya | 2021/03/02 07:00 | Gokberk Saritas v Taiyo Yamanaka | 1-6,0-6 |
| ITF M15 Antalya | 2021/03/01 10:00 | Pietro Marino v Taiyo Yamanaka | 2-6,2-6 |