Stadium: Court 5 Round: 26 Ground: Clay
| ITF M25 Idanha-A-Nova | 2021/07/13 14:05 | Sho Shimabukuro v Alexander Cozbinov | 3-6,6-3,6-7 |
| ITF M25 Belgrade | 2021/07/01 07:00 | Edoardo Lavagno v Alexander Cozbinov | 6-4,6-3 |
| Davis Cup | 2021/06/25 09:30 | Marco De Rossi v Alexander Cozbinov | 3-6,6-3,3-6 |
| Davis Cup | 2021/06/24 09:30 | Fresk Sylhasi v Alexander Cozbinov | 0-6,1-6 |
| Davis Cup | 2021/06/22 09:25 | Eric Cervos Noguer v Alexander Cozbinov | 0-6,0-6 |
| ITF M15 Skopje | 2021/06/08 10:30 | Alexander Cozbinov v Alexander Weis | 5-7,4-6 |
| ITF M15 Kouvola | 2021/05/28 09:05 | Alessandro Bega v Alexander Cozbinov | 6-4,6-0 |
| ITF M15 Kouvola | 2021/05/27 09:55 | Karl Kiur Saar v Alexander Cozbinov | 0-6,1-6 |
| ITF M25 Marburg | 2021/07/08 09:00 | Ryan Nijboer v Tim Handel | 6-3,6-4 |
| ITF M25 Marburg | 2021/07/07 09:00 | Tim Handel v Dominik Recek | 2-6,6-4,6-4 |
| ITF M25 Marburg | 2021/07/06 14:40 | Aleksandre Bakshi v Tim Handel | 3-6,2-6 |
| ITF M25 Marburg | 2021/07/05 14:10 | Deney Wassermann v Tim Handel | 6-7,6-7 |
| ITF M25 Klosters | 2021/06/24 11:15 | Jakub Paul v Tim Handel | 6-3,6-3 |
| ITF M25 Klosters | 2021/06/23 10:30 | Luca Castelnuovo v Tim Handel | 6-7,2-6 |
| ITF M25 Klosters | 2021/06/21 08:35 | Louroi Martinez v Tim Handel | 7-5,6-7,11-9 |
| ITF M25 Klosters | 2021/06/20 10:10 | Adrien Burdet v Tim Handel | 2-6,5-7 |