Stadium: Court 13 Round: 26 Ground: Clay
| 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 |
| ITF M15 Kursumlijska Banja | 2023/06/01 07:30 | Nikita Mashtakov v Milan Drinic | 2-6,1-6 |
| ITF M15 Kursumlijska Banja | 2023/05/30 12:30 | Nikita Mashtakov v Stefan Cizelj-Zivkovic | 6-1,6-1 |
| ITF M15 Kursumlijska Banja | 2023/05/24 06:50 | Nikita Mashtakov v Matthew Dellavedova | 7-6,3-6,5-7 |
| ITF M15 Krsko | 2023/05/18 09:35 | Nikita Mashtakov v Miha Vetrih | 0-6,0-6 |
| ITF M15 Kursumlijska Banja | 2023/05/05 09:05 | Andrey Chepelev v Nikita Mashtakov | 6-3,6-0 |
| ITF M15 Wroclaw | 2023/06/27 09:40 | Gabriel Matuszewski v Jiri Barnat | 2-6,2-6 |
| ITF M25 Poprad | 2023/06/22 10:50 | Jiri Barnat v Patrik Rikl | 2-6,2-6 |
| ITF M25 Poprad | 2023/06/21 08:00 | Lukas Pokorny v Jiri Barnat | 5-7,7-5,3-6 |
| ITF M15 Nyiregyhaza | 2023/06/08 08:00 | Jiri Barnat v Zsombor Velcz | 6-3,6-7,5-7 |
| ITF M15 Nyiregyhaza | 2023/06/07 11:00 | Jiri Barnat v Illya Beloborodko | 7-6,6-4 |
| ITF M25 Jablonec Nad Nisou | 2023/05/31 09:20 | Murkel Dellien v Jiri Barnat | 7-6,6-3 |
| ITF M25 Prague | 2023/05/17 09:00 | Jiri Barnat v Lukas Neumayer | 3-6,4-6 |
| Challenger Prague | 2023/04/30 11:35 | Jiri Barnat v Alejandro Moro Canas | 5-7,5-7 |