Stadium: Court 2 Round: 26 Ground: Clay
| 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 Pescara | 2021/08/18 08:30 | Giorgio Tabacco v Oleksandr Ovcharenko | 6-4,3-6,6-1 |
| ITF M15 Zlatibor | 2021/09/14 11:10 | Tomislav Jotovski v Veljko Krstic | 4-6,1-6 |
| ITF M25 Belgrade | 2021/06/29 10:40 | Skander Mansouri v Veljko Krstic | 7-6,7-5 |