Stadium: Center Court 1 Round: 27 Ground: Clay
| Challenger Rovereto | 2023/02/19 14:50 | Jahn, Jeremy v Giovanni Oradini | 3-6,6-4,4-6 |
| 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 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 M25 Bolzano | 2023/08/02 11:00 | Samuele Pieri v Giovanni Oradini | 1-6,1-6 |
| ITF M25 Bolzano | 2023/08/01 10:35 | Antonio Caruso v Giovanni Oradini | 4-6,0-6 |
| Challenger Verona | 2023/07/24 08:00 | Valentin Royer v Giovanni Oradini | 6-2,2-6,6-1 |
| Challenger Verona | 2023/07/23 10:25 | Lorenzo Rottoli v Giovanni Oradini | 6-7,1-6 |
| Milan, Italy | 2023/07/06 10:15 | Matteo Gigante v Giovanni Oradini | 6-1,6-2 |
| Milan, Italy | 2023/07/04 11:45 | Giovanni Oradini v Oleksii Krutykh | 6-2,1-6,6-3 |
| Milan, Italy | 2023/07/03 09:40 | Dmitry Popko v Giovanni Oradini | 6-1,3-6,5-7 |
| Milan, Italy | 2023/07/02 12:20 | Giovanni Oradini v Carlos Taberner | 6-7,6-3,6-3 |