Stadium: Court 5 Round: 26 Ground: Clay
| ITF M15 - Uslar | 2023/07/18 15:55 | Stefan Popovic v Max Wiskandt | 7-5,6-3 |
| ITF M25 - Marburg | 2023/07/07 09:00 | Timo Stodder v Stefan Popovic | 6-1,6-3 |
| ITF M25 - Marburg | 2023/07/06 13:10 | Max Wiskandt v Stefan Popovic | 7-6,3-6,6-7 |
| ITF M25 - Marburg | 2023/07/05 15:00 | Stefan Popovic v Wilson Leite | 3-6,6-3,6-3 |
| ITF M15 - Kursumlijska Banja | 2023/06/23 12:45 | Stefan Popovic v Leonardo Aboian | 6-7,6-7 |
| ITF M15 - Kursumlijska Banja | 2023/06/22 09:40 | Stefan Popovic v Marko Topo | 1-6,6-3,7-6 |
| ITF M15 - Kursumlijska Banja | 2023/06/21 07:00 | Stefan Popovic v Nicolas Villalon | 6-3,6-1 |
| ITF M15 - Kursumlijska Banja | 2023/06/14 12:00 | Stefan Popovic v Joao Eduardo Schiessl | 2-6,6-7 |
| ITF M15 - Uslar | 2023/07/19 14:25 | Adrian Oetzbach v Franco Emanuel Egea | 6-1,7-6 |
| ITF M25 - Kassel | 2023/07/12 13:20 | Joao Domingues v Adrian Oetzbach | 2-6,7-6,6-2 |
| ITF M25 - Kassel | 2023/07/11 10:55 | Adrian Oetzbach v Vincent Marysko | 6-4,6-4 |
| ITF M25 - Kassel | 2023/07/10 07:50 | Adrian Oetzbach v Samuel Rovai | 6-1,6-1 |
| ITF M25 - Marburg | 2023/07/08 10:50 | Timo Stodder v Adrian Oetzbach | 6-1,6-4 |
| ITF M25 - Marburg | 2023/07/07 12:30 | Adrian Oetzbach v Martin Krumich | 6-3,6-4 |
| ITF M25 - Marburg | 2023/07/06 10:30 | Adrian Oetzbach v Buvaysar Gadamauri | 3-6,6-4,6-3 |
| ITF M25 - Marburg | 2023/07/05 16:40 | Alex Barrena v Adrian Oetzbach | 6-7,5-7 |