Stadium: Centre Court Round: 14 Ground: Clay
| ITF Czech Republic F10 | 2018/11/14 15:10 | Kirill Kivattsev v Jiri Barnat | 3-6,4-6 |
| ITF M25 Bielsko Biala | 2023/08/18 08:25 | Daniel Paty v Jiri Barnat | 6-2,7-6 |
| ITF M25 Bielsko Biala | 2023/08/17 08:30 | Terczynski, Mateusz v Jiri Barnat | 4-6,7-6,4-6 |
| ITF M25 Bielsko Biala | 2023/08/15 08:25 | Jasza Szajrych v Jiri Barnat | 6-2,4-6,4-6 |
| ITF M25 Lodz | 2023/08/11 07:55 | Daniel Paty v Jiri Barnat | 7-5,3-6,6-3 |
| ITF M25 Lodz | 2023/08/10 09:30 | Nejedly, Pavel v Jiri Barnat | 4-6,5-7 |
| ITF M25 Lodz | 2023/08/09 17:00 | Piotr Grynkowski v Jiri Barnat | 3-6,3-6 |
| Challenger Liberec | 2023/07/31 09:45 | Federico Agustin Gomez v Jiri Barnat | 1-6,6-3,7-6 |
| ITF M25 Kassel | 2023/07/13 09:30 | Hady Habib v Jiri Barnat | 6-2,6-3 |
| Challenger Banja Luka | 2023/08/07 14:00 | Kirill Kivattsev v Mirza Basic | 6-7,4-6 |
| Challenger Banja Luka | 2023/08/07 10:45 | Kirill Kivattsev v Mark Whitehouse | 6-3,6-4 |
| Challenger Liberec | 2023/08/01 12:00 | Kirill Kivattsev v Dino Prizmic | 5-7,4-6 |
| Challenger Liberec | 2023/07/31 08:00 | Kirill Kivattsev v Matthew Dellavedova | 6-4,6-2 |
| Challenger Liberec | 2023/07/30 08:00 | Kirill Kivattsev v Oscar Jose Gutierrez | 6-2,6-4 |
| Zug, Switzerland | 2023/07/23 11:50 | Kirill Kivattsev v Michael Vrbensky | 2-6,2-6 |
| Challenger Trieste | 2023/07/17 12:10 | Carlos Taberner v Kirill Kivattsev | 6-1,3-6,6-2 |
| Challenger Trieste | 2023/07/16 16:15 | Blaz Rola v Kirill Kivattsev | 6-4,4-6,4-6 |