Stadium: Court 9 Round: 25 Ground: Clay
| ITF M25 Wetzlar | 2023/08/01 11:15 | Max Wiskandt v Enzo Lima | 6-1,6-0 |
| ITF M25 Wetzlar | 2023/07/31 11:30 | Max Wiskandt v Michalis Sakellaridis | 6-2,6-2 |
| ITF M15 Uslar | 2023/07/18 15:55 | Stefan Popovic v Max Wiskandt | 7-5,6-3 |
| ITF M25 Kassel | 2023/07/12 12:15 | Svyatoslav Gulin v Max Wiskandt | 6-4,6-4 |
| ITF M25 Marburg | 2023/07/06 13:10 | Max Wiskandt v Stefan Popovic | 7-6,3-6,6-7 |
| ITF M25 Marburg | 2023/07/04 15:00 | Daniel Siniakov v Max Wiskandt | 2-6,4-6 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/19 09:30 | Max Wiskandt v Guy Den Heijer | 4-6,2-6 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/18 12:00 | Max Wiskandt v van Nunen, Max | 6-0,6-2 |
| ITF M25 Wetzlar | 2023/08/01 09:30 | Johann, Lars v Sven Corbinais | 3-6,7-6,10-6 |
| ITF M25 Wetzlar | 2023/07/31 08:00 | Tristan Nitschke v Johann, Lars | 5-7,1-6 |
| ITF M25 Arlon | 2023/06/28 08:00 | Johann, Lars v Chris Rodesch | 2-6,7-6,1-6 |
| ITF M25 Arlon | 2023/06/27 10:10 | Johann, Lars v Pisane, Tom | 7-5,6-2 |
| ITF M25 Arlon | 2023/06/26 13:10 | Wojcik, Jakub v Johann, Lars | 2-6,2-6 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/18 09:00 | Johann, Lars v Lodewijk Weststrate | 4-6,2-6 |
| ITF M15 Frankfurt Am Main | 2022/08/08 08:00 | Vojtech Mares v Johann, Lars | 6-1,6-2 |
| ITF M25 Wetzlar | 2022/08/02 08:30 | Luigi Sorrentino v Johann, Lars | 6-1,6-1 |