| UTR Pro - Olomouc | 2023/07/08 09:00 | Nikita Mashtakov v Victor Sklenka | 7-6,4-6,6-0 |
| 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 - Wrocław M15 | 2023/06/29 07:50 | Nikita Mashtakov v Jiri Barnat | 3-6,6-4,4-6 |
| ITF - Wrocław M15 | 2023/06/27 08:00 | Nikita Mashtakov v Thiago Cigarran | 7-6,7-6 |
| ITF - Poprad M25 | 2023/06/21 09:30 | Lukas Neumayer v Nikita Mashtakov | 3-6,6-3,6-4 |
| UTR Pro - Olomouc | 2023/07/08 06:00 | Artem Podorozhnyi v Jonasz Dziopak | 6-4,4-6,1-6 |
| UTR Pro - Olomouc | 2023/07/07 06:00 | Jonasz Dziopak v Maxwell Benson | 3-6,1-6 |
| UTR Pro - Olomouc | 2023/07/05 07:30 | Jonasz Dziopak v Robert Rumler | 1-6,6-7 |
| UTR Pro - Olomouc | 2023/07/04 07:30 | Jonasz Dziopak v Alessandro-D Ventre | 5-7,6-2,6-4 |
| UTR Pro - Olomouc | 2023/07/03 06:48 | Jan Jermar v Jonasz Dziopak | 6-7,6-4,3-6 |