Stadium: Center Court Round: 14 Ground: Clay
| Challenger Meerbusch | 2023/08/08 10:25 | Nicola Kuhn v Jan Choinski | 6-7,4-6 |
| ITF M25 Wetzlar | 2023/08/04 12:30 | Nicola Kuhn v Tristan Lamasine | 6-7,4-6 |
| ITF M25 Wetzlar | 2023/08/04 08:00 | Luca Wiedenmann v Nicola Kuhn | 4-6,4-6 |
| ITF M25 Wetzlar | 2023/08/03 08:00 | Nicola Kuhn v Martin Benes | 6-4,6-1 |
| ITF M15 Metzingen | 2023/07/30 11:00 | Nicola Kuhn v Daniel Paty | 6-4,6-1 |
| ITF M15 Metzingen | 2023/07/29 11:30 | Sander Jong v Nicola Kuhn | 3-6,3-6 |
| ITF M15 Metzingen | 2023/07/28 13:50 | Stefan Popovic v Nicola Kuhn | 4-6,4-6 |
| ITF M15 Metzingen | 2023/07/27 15:00 | Nicola Kuhn v Dominik Kellovsky | 6-3,6-2 |
| ITF M25 Ystad | 2023/08/16 10:55 | John H Lithen v Sebastian Gima | 7-6,7-5 |
| ITF M25 Osijek | 2023/08/12 08:30 | Sebastian Gima v Luka Mikrut | 4-6,6-2,1-6 |
| ITF M25 Osijek | 2023/08/11 08:25 | Sebastian Gima v Matej Dodig | 7-6,6-2 |
| ITF M25 Osijek | 2023/08/10 13:05 | Sebastian Gima v Maurus Malgiaritta | 6-0,7-6 |
| ITF M25 Osijek | 2023/08/09 09:10 | Sebastian Gima v Gal Emersic Potocnik | 6-4,6-0 |
| ITF M25 Pitesti | 2023/08/04 07:00 | Radu Mihai Papoe v Sebastian Gima | 6-4,6-1 |
| ITF M25 Pitesti | 2023/08/02 07:45 | David Cristian Carteputreda v Sebastian Gima | 2-6,0-6 |
| Challenger Tampere | 2023/07/17 13:40 | Duje Ajdukovic v Sebastian Gima | 7-6,6-4 |