Stadium: Center Round: 25 Ground: Clay
| ITF M25 Nussloch | 2024/01/23 18:00 | Vincent Marysko v Lasse Poertner | 6-3,6-4 |
| ITF M15 Oberhaching | 2024/02/15 12:05 | Vincent Marysko v Max Hans Rehberg | 6-3,6-7,4-6 |
| ITF M25 Nussloch | 2024/01/25 12:00 | Daniel Masur v Vincent Marysko | 6-1,2-6,7-6 |
| ITF M25 Nussloch | 2024/01/23 18:00 | Vincent Marysko v Lasse Poertner | 6-3,6-4 |
| ITF M15 Cadolzburg | 2024/01/18 11:25 | Max Hans Rehberg v Vincent Marysko | 6-2,7-6 |
| ITF M15 Cadolzburg | 2024/01/17 09:55 | Kai Lemstra v Vincent Marysko | 6-7,4-6 |
| German Championship | 2023/12/08 16:20 | Vincent Marysko v Daniel Masur | 1-6,0-6 |
| German Championship | 2023/12/07 16:00 | Lewie Lane v Vincent Marysko | 3-6,6-4,6-7 |
| German Championship | 2023/12/06 10:00 | Vincent Marysko v Noah Thurner | 4-6,6-3,6-4 |
| ITF M15 Oberhaching | 2024/02/15 12:05 | Lasse Poertner v Tom Gentzsch | 6-7,4-6 |
| ITF M15 Oberhaching | 2024/02/13 10:00 | Alen Mujakic v Lasse Poertner | 4-6,1-6 |
| ITF M25 Nussloch | 2024/01/23 18:00 | Vincent Marysko v Lasse Poertner | 6-3,6-4 |
| ITF M15 Cadolzburg | 2024/01/16 11:40 | Lasse Poertner v Stepan Baum | 6-3,4-6,1-6 |
| ITF M15 Doha | 2023/10/09 18:00 | Lasse Poertner v Koray Kirci | 6-3,4-6,2-6 |
| ITF M15 Uberlingen | 2023/08/18 10:00 | Lasse Poertner v Jakob Schnaitter | 2-6,4-6 |
| ITF M15 Uberlingen | 2023/08/17 10:50 | Lasse Poertner v Illya Beloborodko | 6-4,3-6,6-3 |
| ITF M15 Frankfurt Am Main | 2023/08/08 09:00 | Lasse Poertner v Florian Broska | 5-7,1-6 |