Stadium: Court 2 Round: 25 Ground: Clay
| UTF Invitational | 2020/06/09 07:00 | Nikita Mashtakov v Oleg Prihodko | 6-3,5-1 |
| ITF M15 Opatija | 2023/03/22 08:30 | Viacheslav Bielinskyi v Nikita Mashtakov | 6-3,6-4 |
| ITF M15 Rovinj | 2023/03/12 09:00 | Michael Gloeckler v Nikita Mashtakov | 6-4,4-6,10-6 |
| Challenger Kyiv | 2021/09/05 08:00 | Alex Rybakov v Nikita Mashtakov | 6-2,6-2 |
| ITF M15 Sofia | 2021/07/09 07:00 | Nikita Mashtakov v Dragos Nicolae Madaras | 5-7,2-6 |
| ITF M15 Sofia | 2021/07/08 09:00 | Nikita Mashtakov v Aleksandr Braynin | 6-4,6-2 |
| ITF M15 Sofia | 2021/07/07 13:10 | Nikita Mashtakov v Mihai Razvan Marinescu | 3-6,6-1,6-1 |
| ITF M15 Novomoskovsk | 2021/06/03 18:30 | Nikita Mashtakov v Martins Podzus | 4-6,1-6 |
| ITF M15 Novomoskovsk | 2021/05/28 07:15 | Felix Gill v Nikita Mashtakov | 7-5,6-7,6-4 |
| UTR Pro Zadar | 2023/04/02 06:00 | Oleg Prihodko v Dusan Obradovic | 6-2,7-6 |
| UTR Pro Zadar | 2023/03/31 07:30 | Oleg Prihodko v Duje Ajdukovic | 3-6,6-0,2-6 |
| UTR Pro Zadar | 2023/03/30 06:00 | Oleg Prihodko v Josip Simundza | 6-2,7-5 |
| UTR Pro Zadar | 2023/03/29 06:00 | Andre Biro v Oleg Prihodko | 2-6,1-6 |
| UTR Pro Zadar | 2023/03/28 07:30 | Ivan Sergeyev v Oleg Prihodko | 6-4,3-6,0-6 |
| Challenger Szekesfehervar | 2023/03/16 09:00 | Oleg Prihodko v Damir Dzumhur | 3-6,6-1,3-6 |
| Challenger Szekesfehervar | 2023/03/15 09:00 | Matyas Fuele v Oleg Prihodko | 2-6,1-6 |
| Challenger Szekesfehervar | 2023/03/13 10:40 | Oleg Prihodko v Kenny de Schepper | 6-4,6-3 |