Stadium: Court 1 Round: 25 Ground: Clay
| ITF M25 - Jablonec Nad Nisou | 2023/08/29 10:30 | Michal Lusovsky v Tristan Nitschke | 5-7,6-3,10-5 |
| ITF M25 - Wetzlar | 2023/07/31 08:00 | Tristan Nitschke v Johann Lars | 5-7,1-6 |
| ITF M15 - Monastir | 2023/04/16 08:00 | Tristan Nitschke v Dusan Baranec | 6-7,3-6 |
| ITF M15 - Monastir | 2023/04/09 08:00 | Egor Novikov v Tristan Nitschke | 6-1,7-6 |
| ITF M15 - Sharm El Sheikh | 2023/03/05 08:00 | Kareem Allaf v Tristan Nitschke | 6-0,6-1 |
| ITF M15 - Monastir | 2023/02/27 09:15 | Leonardo Rossi v Tristan Nitschke | 6-3,6-2 |
| ITF M15 - Monastir | 2023/02/26 08:00 | Darrshan Suresh v Tristan Nitschke | 6-7,2-6 |
| ITF M25 - Monastir | 2023/02/19 08:30 | Stefanos Sakellaridis v Tristan Nitschke | 6-0,6-0 |
| Challenger - Prag | 2023/08/20 13:10 | Jiri Barnat v Kirill Kivattsev | 4-6,1-6 |
| 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 | Mateusz Terczynski 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 | Pavel Nejedly 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 |