| ITF M15 Litija | 07/16 15:00 | 28 | Bor Artnak v Oleksandr Ovcharenko | 1-6,2-6 | |
| ITF M15 Litija | 07/15 13:00 | 27 | Oleksandr Ovcharenko v Sebastian Dominko | 7-6,6-3 | |
| ITF M15 Litija | 07/14 08:00 | 26 | Oleksandr Ovcharenko v Paul Woerner | 6-4,6-0 | |
| ITF M15 Litija | 07/12 09:40 | 25 | Oleksandr Ovcharenko v Jan Dimitrijevic | 6-2,6-2 | |
| ITF M25 Casinalbo | 07/05 08:00 | 25 | Oleksandr Ovcharenko v Giovanni Oradini | 4-6,4-6 | |
| ITF M15 Bergamo | 07/03 09:00 | 29 | Gianmarco Ferrari v Oleksandr Ovcharenko | 3-6,4-6 | |
| ITF M15 Bergamo | 07/02 09:00 | 28 | Oleksandr Ovcharenko v Andrea Picchione | 6-4,6-3 | |
| ITF M15 Bergamo | 07/01 12:50 | 27 | Oleksandr Ovcharenko v Giovanni Oradini | 6-2,6-3 | |
| ITF M15 Bergamo | 06/30 08:00 | 26 | Sandro Kopp v Oleksandr Ovcharenko | 2-6,3-6 | |
| ITF M15 Bergamo | 06/29 11:40 | 25 | Filippo Speziali v Oleksandr Ovcharenko | 7-5,4-6,3-6 | |
| ITF M15 Frascati | 06/08 07:25 | 25 | Jaime Faria v Oleksandr Ovcharenko | 6-4,6-4 | |
| ITF M15 Brcko | 05/27 14:00 | 27 | Gauthier Onclin v Oleksandr Ovcharenko | 4-6,7-5,6-0 | |
| ITF M15 Brcko | 05/26 13:35 | 26 | Lilian Marmousez v Oleksandr Ovcharenko | Retired | |
| ITF M15 Brcko | 05/25 12:20 | 25 | Domagoj Biljesko v Oleksandr Ovcharenko | 0-6,7-6,4-6 | |
| ITF M15 Prijedor | 05/22 09:00 | 29 | Oleksandr Ovcharenko v Rimpei Kawakami | 2-6,2-6 | |
| ITF M15 Prijedor | 05/21 11:00 | 28 | Lilian Marmousez v Oleksandr Ovcharenko | 2-6,3-6 | |
| ITF M15 Prijedor | 05/20 12:10 | 27 | Kalin Ivanovski v Oleksandr Ovcharenko | 3-6,2-6 | |
| ITF M15 Prijedor | 05/19 14:00 | 26 | Stefan Popovic v Oleksandr Ovcharenko | 1-6,2-6 | |
| ITF M15 Prijedor | 05/18 08:00 | 25 | Tomislav Jotovski v Oleksandr Ovcharenko | Retired | |
| ITF M25 Santa Margherita | 05/02 15:30 | 25 | Alexander Weis v Oleksandr Ovcharenko | 6-2,3-6,6-3 | |
| ITF M25 Santa Margherita | 04/25 13:25 | 25 | Oleksandr Ovcharenko v Edoardo Lavagno | 2-6,1-6 | |
| ITF M25 Santa Margherita | 04/22 19:30 | 27 | Oleksandr Ovcharenko v Alexander Weis | 2-6,2-6 | |
| ITF M25 Santa Margherita | 04/20 14:15 | 26 | Oleksandr Ovcharenko v Robin Bertrand | 6-1,6-4 | |
| ITF M25 Santa Margherita | 04/19 14:15 | 25 | Francesco Forti v Oleksandr Ovcharenko | 1-6,2-6 | |
| Challenger Barletta | 04/14 14:10 | 26 | Oleksandr Ovcharenko v Nuno Borges | 6-7,4-6 | |
| Challenger Barletta | 04/12 13:25 | 25 | Lukas Rosol v Oleksandr Ovcharenko | 5-7,6-2,3-6 | |
| ITF M25 Opatija | 03/22 14:00 | 25 | Oleksandr Ovcharenko v Arthur Cazaux | 5-7,3-6 | |
| ITF M25 Rovinj | 03/16 09:00 | 25 | Eduard Esteve Lobato v Oleksandr Ovcharenko | 6-1,6-4 | |
| ITF M15 Monastir | 03/10 13:50 | 26 | Omni Kumar v Oleksandr Ovcharenko | 6-3,7-5 | |
| ITF M15 Monastir | 03/08 08:30 | 25 | Oleksandr Ovcharenko v Robin Bertrand | 7-6,7-6 |