Stadium: Court 5 Round: 26 Ground: Clay
| ITF M15 St Petersburg | 2021/04/14 07:00 | Yanki Erel v Alexander Cozbinov | 7-6,7-6 |
| ITF M15 St Petersburg | 2021/04/10 08:00 | Alexander Cozbinov v Ivan Nedelko | 6-2,4-6,3-6 |
| ITF M15 St Petersburg | 2021/04/09 08:00 | Alexander Cozbinov v Artem Dubrivnyy | 6-4,6-7,6-3 |
| ITF M15 St Petersburg | 2021/04/08 09:00 | Evgeny Tyurnev v Alexander Cozbinov | 6-2,3-6,2-6 |
| ITF M15 St Petersburg | 2021/04/07 08:30 | Alexander Cozbinov v Boris Pokotilov | 6-0,6-0 |
| ITF M15 Antalya | 2021/03/30 10:00 | Sanjar Fayziev v Alexander Cozbinov | 6-4,6-3 |
| ITF M15 Antalya | 2021/03/21 07:00 | Alexander Cozbinov v Taiyo Yamanaka | 3-6,3-6 |
| ITF M15 Antalya | 2021/03/18 07:00 | Matheus Pucinelli De Almeida v Alexander Cozbinov | 6-2,6-4 |
| ITF M25 Meerbusch | 2021/04/16 13:00 | David Pichler v Tim Handel | 6-4,6-4 |
| ITF M25 Meerbusch | 2021/04/15 13:25 | Tobias Simon v Tim Handel | 4-6,6-7 |
| ITF M25 Meerbusch | 2021/04/14 10:00 | Tim Handel v Jiri Lehecka | 6-2,1-6,6-3 |
| ITF M25 Meerbusch | 2021/04/12 12:00 | Tim Handel v Hazem Naw | 6-2,6-1 |
| ITF M15 Sharm El Sheikh | 2021/03/28 08:00 | Daniel Cox v Tim Handel | 6-3,7-5 |
| ITF M15 Sharm El Sheikh | 2021/03/23 09:10 | Tim Handel v Andres Gabriel Ciurletti | 6-7,4-6 |
| ITF M15 Sharm El Sheikh | 2021/03/22 13:00 | Tim Handel v Ivan Mikhaylyuk | 6-3,6-1 |
| ITF M15 Sharm El Sheikh | 2021/03/21 17:30 | Issei Okamura v Tim Handel | 4-6,4-6 |