Stadium: Court 21 Round: 26 Ground: Clay
| Challenger Zadar | 2023/03/21 11:15 | Jeremy Jahn v Jozef Kovalik | 7-5,3-6,2-6 |
| Challenger Zadar | 2023/03/20 11:00 | Nikola Milojevic v Jeremy Jahn | 6-3,5-7,5-7 |
| Challenger Zadar | 2023/03/19 14:35 | Jeremy Jahn v Cezar Cretu | 6-0,1-6,6-0 |
| ITF M15 Rovinj | 2023/03/15 09:55 | Giorgio Tabacco v Jeremy Jahn | 7-5,6-3 |
| Challenger Rovereto | 2023/02/19 14:50 | Jeremy Jahn v Giovanni Oradini | 3-6,6-4,4-6 |
| ITF M15 Oberhaching | 2023/02/15 11:00 | Dylan Dietrich v Jeremy Jahn | 7-5,3-6,7-6 |
| Challenger Vilnius | 2023/02/05 09:55 | Denis Yevseyev v Jeremy Jahn | 6-4,6-1 |
| Challenger Koblenz | 2023/01/30 10:00 | Jeremy Jahn v Johannes Haerteis | 4-6,4-6 |
| ITF M15 Antalya | 2022/11/02 08:25 | Ivan Nedelko v Davide Galoppini | 6-7,5-7 |
| ITF M15 Antalya | 2022/10/26 08:30 | Ivan Nedelko v Lucio Carnevalle | 6-3,2-6,2-6 |
| ITF M15 Metzingen | 2022/07/21 09:00 | Taym Alazmeh v Ivan Nedelko | 4-6,2-6 |
| ITF M25 Kassel | 2022/07/15 14:25 | Ivan Nedelko v Raphael Collignon | 1-6,7-5,0-6 |
| ITF M25 Kassel | 2022/07/14 10:55 | Yshai Oliel v Ivan Nedelko | 5-7,4-6 |
| ITF M25 Kassel | 2022/07/13 09:00 | Tibo Colson v Ivan Nedelko | 6-1,4-6,3-6 |
| ITF M15 Belgrade | 2022/06/30 07:00 | Duje Kekez v Ivan Nedelko | 6-1,6-3 |
| ITF M15 Belgrade | 2022/06/29 09:10 | Hong Kit Wong v Ivan Nedelko | 4-6,3-6 |