Stadium: Court 5 Round: 26 Ground: Clay
| ITF M25 Ueberlingen | 2021/08/18 10:10 | Jeremy Jahn v Alexander Cozbinov | 3-6,7-6,1-6 |
| Challenger Segovia | 2021/07/26 09:00 | Alexander Cozbinov v Dalibor Svrcina | 1-6,6-2,2-6 |
| Challenger Segovia | 2021/07/25 09:00 | Federico Zeballos v Alexander Cozbinov | 1-6,1-6 |
| ITF M25 Idanha-A-Nova | 2021/07/22 08:00 | Alexander Cozbinov v Nicolas Moreno De Alboran | 6-3,6-7,6-7 |
| ITF M25 Idanha-A-Nova | 2021/07/21 11:35 | Alexander Cozbinov v Mehluli D A Sibanda | 6-3,6-0 |
| ITF M25 Idanha-A-Nova | 2021/07/16 08:00 | Alexander Cozbinov v Zane Khan | 0-6,5-7 |
| ITF M25 Idanha-A-Nova | 2021/07/15 07:50 | Alexander Cozbinov v Francisco Cabral | 7-5,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/13 14:05 | Sho Shimabukuro v Alexander Cozbinov | 3-6,6-3,6-7 |
| ITF M25 Ueberlingen | 2021/08/17 12:55 | Tim Handel v Matthew Romios | 6-4,6-2 |
| ITF M25 Frankfurt am Main | 2021/08/11 10:40 | Tim Handel v Arnaud Bovy | 7-5,3-6,2-6 |
| ITF M25 Frankfurt am Main | 2021/08/10 10:35 | Christoph Negritu v Tim Handel | 4-6,6-2,6-10 |
| ITF M25 Frankfurt am Main | 2021/08/09 12:30 | Neo Niedner v Tim Handel | 2-6,2-6 |
| ITF M25 Wetzlar | 2021/08/05 09:00 | Tim Handel v Henri Squire | 6-3,3-6,6-7 |
| ITF M25 Wetzlar | 2021/08/04 12:10 | Tim Handel v Aliaksandr Bulitski | 6-4,6-4 |
| ITF M25 Wetzlar | 2021/08/03 09:00 | Tim Handel v Giles Hussey | 6-3,6-2 |
| ITF M25 Wetzlar | 2021/08/02 08:00 | Tim Handel v Sebastian Mortier | 6-1,6-4 |