Stadium: Court 2 Round: 26 Ground: Clay
| ITF M25 Bolzano | 2023/08/01 09:25 | Jahn, Jeremy v Scomparin, Pietro Romeo | 6-1,6-1 |
| Challenger Karlsruhe | 2023/07/02 09:00 | Oriol Roca Batalla v Jahn, Jeremy | 2-6,6-1,7-5 |
| ITF M15 Kamen | 2023/06/29 11:00 | Jahn, Jeremy v Hynek Barton | 4-6,4-6 |
| ITF M15 Kamen | 2023/06/27 10:45 | Jahn, Jeremy v David Fix | 6-2,6-4 |
| ITF M25 Montauban | 2023/06/23 10:00 | Titouan Droguet v Jahn, Jeremy | 6-3,6-2 |
| ITF M25 Montauban | 2023/06/22 09:25 | Marlon Vankan v Jahn, Jeremy | 1-6,2-6 |
| 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 M25 Bolzano | 2023/08/01 07:00 | Maurus Malgiaritta v Maximilian Figl | 6-1,7-6 |
| ITF M25 Bolzano | 2023/07/31 08:50 | Federico Marchetti v Maurus Malgiaritta | 6-1,1-6,4-10 |
| ITF M25 Bolzano | 2023/07/30 12:30 | Erwin Troebinger v Maurus Malgiaritta | 1-6,2-6 |
| ITF M25 Kramsach | 2023/07/23 10:30 | Jakub Novak v Maurus Malgiaritta | 7-5,3-6,15-13 |
| ITF M25 Telfs | 2023/07/17 10:00 | Ondrej Horak v Maurus Malgiaritta | 6-3,6-4 |
| ITF M25 Telfs | 2023/07/16 07:00 | Mazzucchelli, Leonardo v Maurus Malgiaritta | 4-6,1-6 |
| ITF M25 Klosters | 2023/07/02 14:30 | Baltensperger, Raphael v Maurus Malgiaritta | 6-3,6-3 |
| ITF - M15 Celje | 2023/06/28 13:05 | Maurus Malgiaritta v Jan Kupcic | 6-7,4-6 |