Stadium: Court 5 Round: 27 Ground: Clay
| ITF M25 Maribor | 2023/08/31 11:05 | Kirill Kivattsev v Matvey Minin | 6-0,7-6 |
| ITF M25 Maribor | 2023/08/30 12:00 | Kirill Kivattsev v Davide Ferrarolli | 6-1,6-2 |
| Challenger Prague | 2023/08/22 08:00 | Valentin Vacherot v Kirill Kivattsev | 6-4,6-4 |
| Challenger Prague | 2023/08/21 09:45 | Jakub Filip v Kirill Kivattsev | 1-6,4-6 |
| Challenger Prague | 2023/08/20 13:10 | Jiri Barnat v Kirill Kivattsev | 4-6,1-6 |
| 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 |
| ITF M25 Maribor | 2023/08/31 08:40 | Nikola Basic v Sandro Kopp | 5-7,7-6,0-6 |
| ITF M25 Maribor | 2023/08/30 13:25 | Biagio Gramaticopolo v Sandro Kopp | 4-6,2-6 |
| Challenger Augsburg | 2023/08/20 09:30 | Sandro Kopp v Hendrik Jebens | 6-7,2-6 |
| ITF M25 Lodz | 2023/08/10 10:00 | Sandro Kopp v Patrick Kaukovalta | 2-6,2-6 |
| ITF M25 Lodz | 2023/08/09 09:25 | Sandro Kopp v Maciej Rajski | 6-7,7-6,6-3 |
| Challenger Luedenscheid | 2023/07/31 13:30 | Sandro Kopp v Marvin Moeller | 0-6,1-6 |
| Challenger Luedenscheid | 2023/07/30 09:00 | Sandro Kopp v Benjamin Winter Lopez | 6-3,6-4 |
| ITF M25 Kramsach | 2023/07/28 09:00 | Sandro Kopp v Kalin Ivanovski | 6-7,4-6 |