Ground: Carpet indoor
| UTR Pro Olomouc | 2023/07/07 08:12 | Oscar Brown v Nikita Mashtakov | 6-1,6-2 |
| UTR Pro Olomouc | 2023/07/06 06:00 | Dominik Suc v Nikita Mashtakov | 6-3,6-2 |
| UTR Pro Olomouc | 2023/07/04 08:30 | Martin Facundo Carrizo v Nikita Mashtakov | 4-6,6-7 |
| UTR Pro Olomouc | 2023/07/03 09:38 | Nikita Mashtakov v Bekkhan Atlangeriev | 6-7,6-4,5-6 |
| ITF M15 Wroclaw | 2023/06/29 07:50 | Nikita Mashtakov v Jiri Barnat | 3-6,6-4,4-6 |
| ITF M15 Wroclaw | 2023/06/27 08:00 | Nikita Mashtakov v Thiago Cigarran | 7-6,7-6 |
| ITF M25 Poprad | 2023/06/21 09:30 | Lukas Neumayer v Nikita Mashtakov | 3-6,6-3,6-4 |
| ITF M15 Nyiregyhaza | 2023/06/07 09:30 | Nikita Mashtakov v Zsombor Velcz | 6-3,3-6,0-6 |
| UTR Pro Olomouc | 2023/07/07 07:30 | Victor Sklenka v Jakub Novak | 6-2,3-6,2-6 |
| UTR Pro Olomouc | 2023/07/06 07:30 | Victor Sklenka v Anthony Wright | 6-4,6-7,2-6 |
| UTR Pro Olomouc | 2023/07/05 06:00 | Adam Jurajda v Victor Sklenka | 7-6,6-1 |
| UTR Pro Olomouc | 2023/07/04 06:00 | Peter Sallay v Victor Sklenka | 6-4,4-6,2-6 |
| UTR Pro Hilversum | 2023/06/10 07:30 | Pepijn Bastiaansen v Victor Sklenka | 6-3,5-1 |
| UTR Pro Hilversum | 2023/06/09 06:00 | Ivan Sergeyev v Victor Sklenka | 6-4,6-7,6-0 |
| UTR Pro Hilversum | 2023/06/08 08:00 | Quentin Robert v Victor Sklenka | 6-3,3-6,2-5 |
| UTR Pro Hilversum | 2023/06/06 06:00 | Guy Den Heijer v Victor Sklenka | 7-6,4-6,5-3 |