Stadium: Centre Court Round: 26 Ground: Clay
| ITF M25 Koksijde | 2023/08/15 16:00 | Jahn, Jeremy v Nicolas Bruna | 6-2,6-2 |
| ITF M25 Bolzano | 2023/08/03 11:25 | Jahn, Jeremy v Giovanni Oradini | 3-6,1-6 |
| ITF M25 Bolzano | 2023/08/02 11:20 | Jahn, Jeremy v Maurus Malgiaritta | 6-4,6-2 |
| 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 Koksijde | 2023/08/15 14:30 | Alexis Boureau v Thorben Sannen | 6-4,6-2 |
| ITF M15 Eupen | 2023/08/09 11:35 | Alexis Boureau v Marlon Vankan | 1-6,1-6 |
| ITF M15 Eindhoven | 2023/08/01 15:20 | Alexis Boureau v Marcel Zielinski | 1-6,1-6 |
| ITF - M15 Monastir | 2023/04/05 08:30 | Alexis Boureau v Constantin Bittoun Kouzmine | 2-6,2-6 |
| ITF - M15 Monastir | 2023/03/23 12:20 | Alexis Boureau v Roncalli, Simone | 1-6,6-4,4-6 |
| ITF - M15 Monastir | 2023/03/21 10:20 | Alexis Boureau v Mikula, Michal | 7-6,6-7,7-6 |
| ITF - M15 Monastir | 2023/03/14 11:40 | Alexis Boureau v Olaf Pieczkowski | 2-6,1-6 |
| ITF - M15 Monastir | 2023/03/13 12:30 | Alexis Boureau v Tristan Piombo | 6-7,2-6 |