Stadium: Court 1 Round: 25 Ground: Hardcourt indoor
| ITF M15 Heraklion | 2022/10/19 06:30 | Milos Karol v Jiri Barnat | 6-3,4-6,6-7 |
| 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 |
| Challenger Ostrava | 2023/04/23 08:30 | Billy Harris v Jiri Barnat | 6-2,6-2 |
| ITF M15 Antalya | 2023/04/19 11:35 | Michel Hopp v Jiri Barnat | 6-3,6-3 |
| ITF M25 Trnava | 2023/03/30 08:00 | Peter Benjamin Privara v Jiri Barnat | 6-2,6-1 |
| Challenger Bratislava | 2023/06/12 15:00 | Vitaliy Sachko v Milos Karol | 6-4,6-1 |
| Challenger Bratislava | 2023/06/11 15:15 | Milos Karol v Ulises Blanch | 4-6,7-6,6-4 |
| Challenger Prostejov | 2023/06/04 09:15 | Milos Karol v Vitaliy Sachko | 3-6,2-6 |
| ITF M25 Jablonec Nad Nisou | 2023/05/28 11:30 | Milos Karol v Thijmen Loof | 5-7,2-6 |
| ITF M25 Most | 2023/05/24 12:45 | Milos Karol v Mika Brunold | 2-6,4-6 |
| ITF M15 Prijedor | 2023/05/17 13:15 | Milos Karol v Ali Habib | 4-6,6-1,3-10 |
| ITF M15 Prijedor | 2023/05/15 09:00 | Milos Karol v Mateo Martinovic | 6-4,6-3 |
| ITF M25 Split | 2023/04/20 07:50 | Michael Vrbensky v Milos Karol | 0-6,6-2,7-6 |