Stadium: Court 2 Round: 27 Ground: Clay
| ITF - M15 Zlatibor | 2021/09/16 09:40 | Oleksandr Ovcharenko v Veljko Krstic | 6-1,6-1 |
| ITF - M15 Zlatibor | 2021/09/15 09:35 | Oleksandr Ovcharenko v Gorazd Srbljak | 6-4,4-6,6-2 |
| ITF - M15 Ulcinj | 2021/09/11 07:55 | Oleksandr Ovcharenko v Bastian Malla | 6-4,1-6,3-6 |
| ITF - M15 Ulcinj | 2021/09/10 09:00 | Oleksandr Ovcharenko v Alejo Lorenzo Lingua Lavallen | 6-3,6-3 |
| ITF - M15 Ulcinj | 2021/09/09 08:30 | Marat Deviatiarov v Oleksandr Ovcharenko | 1-6,1-6 |
| ITF - M15 Ulcinj | 2021/09/07 10:10 | Oleksandr Ovcharenko v Duje Kekez | 6-1,4-6,6-4 |
| ITF - M15 Ulcinj | 2021/08/31 08:00 | Oleksandr Ovcharenko v Gorazd Srbljak | 5-7,4-6 |
| Challenger - Barletta | 2021/08/22 10:00 | Aidan Mchugh v Oleksandr Ovcharenko | 6-2,6-4 |
| ITF - M15 Zlatibor | 2021/09/16 11:00 | Dominik Palan v Marko Tepavac | 3-6,1-6 |
| ITF - M15 Zlatibor | 2021/09/15 14:25 | Andres Gabriel Ciurletti v Marko Tepavac | 1-6,1-6 |
| Challenger - Banja Luka | 2021/09/07 11:30 | Matija Pecotic v Marko Tepavac | 4-6,6-3,7-6 |
| Challenger - Banja Luka | 2021/09/06 09:00 | Dragos Nicolae Madaras v Marko Tepavac | 5-7,6-1,6-7 |
| Challenger - Banja Luka | 2021/09/05 13:20 | Danijal Muminovic v Marko Tepavac | 2-6,3-6 |
| ITF - M25 Bacau | 2021/08/19 11:15 | Tiago Cacao v Marko Tepavac | 6-4,6-7,6-3 |
| ITF - M25 Bacau | 2021/08/18 07:00 | Luis Faria v Marko Tepavac | 2-6,5-7 |
| ITF - M15 Curtea de Arges | 2021/08/12 10:40 | Francisco Comesana v Marko Tepavac | 7-5,6-2 |