Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Idanha-A-Nova | 2021/07/16 08:00 | Cozbinov, Alexander v Khan, Zane | 0-6,5-7 |
| ITF M25 Idanha-A-Nova | 2021/07/15 07:50 | Cozbinov, Alexander v Cabral, Francisco | 7-5,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/13 14:05 | Sho Shimabukuro v Cozbinov, Alexander | 3-6,6-3,6-7 |
| ITF M25 Belgrade | 2021/07/01 07:00 | Edoardo Lavagno v Cozbinov, Alexander | 6-4,6-3 |
| Coupe Davis | 2021/06/25 09:30 | de Rossi, Marco v Cozbinov, Alexander | 3-6,6-3,3-6 |
| Coupe Davis | 2021/06/24 09:30 | Fresk Sylhasi v Cozbinov, Alexander | 0-6,1-6 |
| Coupe Davis | 2021/06/22 09:25 | Cervos Noguer, Eric v Cozbinov, Alexander | 0-6,0-6 |
| ITF M15 Skopje | 2021/06/08 10:30 | Cozbinov, Alexander v Alexander Weis | 5-7,4-6 |
| ITF M25 Idanha-A-Nova | 2021/07/14 11:50 | Sibanda, Mehluli Don Ayanda v Garrett Johns | 1-6,5-7 |
| ITF - M15 Antalya | 2021/02/28 11:00 | Sibanda, Mehluli Don Ayanda v Benedikt Henning | 2-6,1-6 |
| Challenger Potchefstroom | 2020/03/12 08:00 | Reboul, Fabien v Sibanda, Mehluli Don Ayanda | 6-4,6-2 |
| Challenger Potchefstroom | 2020/03/09 12:15 | Sibanda, Mehluli Don Ayanda v Courtney John Lock | 7-6,6-4 |
| Coupe Davis | 2020/03/06 08:00 | Sibanda, Mehluli Don Ayanda v Hazem Naw | 3-6,3-6 |
| ITF - M15 Sharm El Sheikh | 2020/02/12 14:15 | Uzhylovsky, Vladimir v Sibanda, Mehluli Don Ayanda | 1-6,6-3,6-2 |
| ITF - M15 Sharm El Sheikh | 2020/02/06 09:55 | Sibanda, Mehluli Don Ayanda v Ergi Kirkin | 4-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2020/02/05 08:00 | Sibanda, Mehluli Don Ayanda v Giuseppe Tresca | 6-4,6-2 |