Stadium: Center Court Round: 27 Ground: Clay
| ITF M15 Metzingen | 2023/07/27 11:00 | Stefan Popovic v Yannik Kelm | 6-4,4-6,6-2 |
| ITF M15 Metzingen | 2023/07/26 12:30 | Stefan Popovic v Alexander Donski | 2-6,6-3,7-5 |
| ITF M15 Uslar | 2023/07/23 12:00 | Sebastian Prechtel v Stefan Popovic | 6-3,4-6,6-3 |
| ITF M15 Uslar | 2023/07/22 11:30 | Nicolas Zanellato v Stefan Popovic | 3-6,2-6 |
| ITF M15 Uslar | 2023/07/20 11:00 | Stefan Popovic v Adrian Oetzbach | 7-6,6-4 |
| ITF M15 Uslar | 2023/07/18 15:55 | Stefan Popovic v Max Wiskandt | 7-5,6-3 |
| ITF M25 Marburg | 2023/07/07 09:00 | Timo Stodder v Stefan Popovic | 6-1,6-3 |
| ITF M25 Marburg | 2023/07/06 13:10 | Max Wiskandt v Stefan Popovic | 7-6,3-6,6-7 |
| ITF M15 Metzingen | 2023/07/27 15:00 | Nicola Kuhn v Dominik Kellovsky | 6-3,6-2 |
| ITF M15 Metzingen | 2023/07/26 15:35 | Lasse Poertner v Nicola Kuhn | 6-7,2-6 |
| Challenger Ortisei | 2022/10/23 10:45 | Nicola Kuhn v Terence Atmane | 6-7,4-6 |
| Challenger Hamburg | 2022/10/19 12:15 | Nicola Kuhn v Jelle Sels | 6-4,4-6,1-6 |
| Challenger Nonthaburi | 2022/09/06 03:00 | Yuta Shimizu v Nicola Kuhn | 6-1,6-2 |
| Challenger Nonthaburi | 2022/08/25 06:00 | Nicola Kuhn v Valentin Vacherot | 5-7,3-6 |
| Challenger Nonthaburi | 2022/08/23 03:30 | Nicola Kuhn v Benjamin Lock | 7-5,6-3 |
| Challenger Liberec | 2022/08/02 12:40 | Jiri Lehecka v Nicola Kuhn | 6-2,6-1 |