Stadium: Center Court Round: 14 Ground: Hardcourt indoor
| 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 |
| Challenger Koblenz | 2023/01/29 10:20 | Maxime Mora v Jeremy Jahn | 1-6,2-6 |
| ITF M25 Loughborough | 2023/01/12 13:55 | Mirza Basic v Jeremy Jahn | 4-6,6-3,7-5 |
| ITF M25 Loughborough | 2023/01/11 09:55 | Jeremy Jahn v Felix Gill | 7-6,4-6,7-6 |
| Challenger Hamburg | 2022/10/18 08:00 | Jeremy Jahn v Marko Topo | 6-3,4-6,3-6 |
| Challenger Hamburg | 2022/10/17 09:00 | Kai Wehnelt v Jeremy Jahn | 6-7,6-7 |
| ITF M15 Oberhaching | 2023/02/16 13:25 | Jakob Schnaitter v Giovanni Oradini | 6-4,6-4 |
| ITF M15 Oberhaching | 2023/02/14 11:00 | David Pichler v Giovanni Oradini | 3-6,3-6 |
| Challenger Koblenz | 2023/01/30 10:00 | Mats Rosenkranz v Giovanni Oradini | 6-3,6-4 |
| Challenger Koblenz | 2023/01/29 09:00 | Matthias Bachinger v Giovanni Oradini | 5-7,7-6,5-7 |
| ITF M25 Nussloch | 2023/01/25 10:00 | Aliaksandr Bulitski v Giovanni Oradini | 6-3,7-6 |
| Challenger Nonthaburi | 2023/01/15 07:35 | Keegan Smith v Giovanni Oradini | 3-6,6-1,7-6 |
| Challenger Nonthaburi | 2023/01/08 03:00 | Giovanni Oradini v Yuta Shimizu | 7-5,4-6,4-6 |
| Challenger Nonthaburi | 2023/01/01 03:00 | Giovanni Oradini v Alafia Ayeni | 3-6,3-6 |