Stadion: Centre Court Round: 54 Ground: Clay
| ITF - M15 - Duffel | 2023/06/13 12:00 | Jeremy Jahn v Adrian Oetzbach | 6-2,6-1 |
| ITF - M15 - Duffel | 2023/06/12 10:00 | Adrian Oetzbach v Lodewijk Weststrate | 7-5,1-6,12-10 |
| ITF - M15 - Duffel | 2023/06/11 12:30 | Adrian Oetzbach v Thorben Sannen | 6-2,6-1 |
| ITF - M15 - Vaasa | 2023/06/08 09:40 | Adrian Oetzbach v Jonathan Mridha | 6-2,3-6,3-6 |
| ITF - M15 - Vaasa | 2023/06/07 12:50 | Tuncay Duran v Adrian Oetzbach | 4-6,4-6 |
| ITF - M15 - Constanta | 2023/05/30 08:50 | Adrian Oetzbach v Felipe De Dios | 3-6,6-0,6-10 |
| ITF - M15 - Constanta | 2023/05/29 10:00 | Adrian Oetzbach v Francesco Mineo Mineo | 6-1,6-0 |
| ITF - M15 - Constanta | 2023/05/28 13:00 | Adrian Oetzbach v Dan Radu Munteanu | 6-0,6-2 |
| UTR Pro - Hilversum | 2023/06/11 06:00 | Erdem Isitan v Miko Wassermann | 4-6,6-3,6-1 |
| UTR Pro - Hilversum | 2023/06/10 08:30 | Miko Wassermann v Aloys J W Van Baal | 0-0 |
| UTR Pro - Hilversum | 2023/06/08 06:00 | Miko Wassermann v Julian Cundom | 0-6,0-6 |
| UTR Pro - Hilversum | 2023/06/07 10:14 | Miko Wassermann v Quentin Robert | 3-6,3-6 |
| UTR Pro - Hilversum | 2023/05/06 06:00 | Enzo Van Der Heijden v Miko Wassermann | 5-7,3-6 |
| UTR Pro - Hilversum | 2023/05/04 06:00 | Miko Wassermann v Roland Stuurman | 0-6,4-6 |
| UTR Pro - Hilversum | 2023/05/02 07:30 | Miko Wassermann v Ole Bredschneijder | 6-4,2-5 |
| UTR Pro - Hilversum | 2023/05/01 10:16 | Miko Wassermann v Yanais Laurent | 4-6,1-6 |