Stadium: Court 1 Round: 26 Ground: Clay
| ITF M25 Montauban | 2023/06/20 12:55 | Pierre Delage v Marlon Vankan | 0-6,4-6 |
| ITF M15 Duffel | 2023/06/15 13:35 | Marlon Vankan v Joao Fonseca | 4-6,4-6 |
| ITF M15 Duffel | 2023/06/13 16:05 | Jakub Paul v Marlon Vankan | 2-6,3-6 |
| ITF M15 Duffel | 2023/06/12 08:00 | Marlon Vankan v Karlo Cubelic | 3-6,7-5,10-6 |
| ITF M15 Duffel | 2023/06/11 08:00 | Marlon Vankan v Louis Van Herck | 6-3,4-6,10-3 |
| UTR Pro Hilversum | 2023/05/06 08:31 | Pierre, Hugo v Marlon Vankan | 7-5,1-1 |
| UTR Pro Hilversum | 2023/05/05 06:00 | Moreno, Federico v Marlon Vankan | 7-5,2-6,1-6 |
| UTR Pro Hilversum | 2023/05/03 08:21 | Marlon Vankan v Ole Bredschneijder | 7-6,6-2 |
| ITF M25 Montauban | 2023/06/21 10:25 | Seydina Andre v Jahn, Jeremy | 1-6,0-6 |
| ITF M15 Duffel | 2023/06/17 11:15 | Ryan Nijboer v Jahn, Jeremy | 2-6,1-6 |
| ITF M15 Duffel | 2023/06/16 13:35 | Jahn, Jeremy v Tim Handel | 7-6,6-4 |
| ITF M15 Duffel | 2023/06/15 10:00 | Jahn, Jeremy v Sander Jong | 7-6,6-4 |
| ITF M15 Duffel | 2023/06/13 12:00 | Jahn, Jeremy v Adrian Oetzbach | 6-2,6-1 |
| ITF M25 Skopje | 2023/06/07 09:00 | Zekic, Miljan v Jahn, Jeremy | 1-6,6-1,6-2 |
| ITF M25 Prague | 2023/05/17 10:50 | Jahn, Jeremy v Khumoyun Sultanov | 3-6,3-6 |
| ITF - M15 Antalya | 2023/05/05 08:00 | Jahn, Jeremy v Yshai Oliel | 4-6,4-6 |