Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Alkmaar | 2023/06/28 09:00 | Michiel de Krom v Adrian Oetzbach | 6-2,4-6,6-1 |
| ITF M15 Alkmaar | 2023/06/26 08:00 | Adrian Oetzbach v Tomi Van den Ham | 6-4,6-2 |
| ITF M15 Alkmaar | 2023/06/25 10:00 | Adrian Oetzbach v Miko Wassermann | 6-0,6-2 |
| 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 M25 Mungia | 2023/06/20 12:05 | Alex Martinez v Alberto Barroso Campos | 6-4,2-6,6-3 |
| ITF M25 Martos | 2023/06/14 08:00 | Fajing Sun v Alberto Barroso Campos | 6-2,6-4 |
| ITF M25 Cordoba | 2023/06/06 09:20 | Alberto Barroso Campos v David Jorda Sanchis | 2-6,2-6 |
| Challenger Oeiras | 2023/05/14 10:25 | Alessandro Giannessi v Alberto Barroso Campos | 6-1,6-3 |
| ITF M25 Sanxenxo | 2023/04/26 10:00 | John Echeverria v Alberto Barroso Campos | 6-3,6-2 |
| ITF M15 Telde | 2023/04/20 10:30 | Alberto Barroso Campos v Kai Lemstra | 5-7,6-3,1-6 |
| ITF M15 Telde | 2023/04/19 09:30 | Alberto Barroso Campos v Dominik Recek | 7-5,6-3 |
| ITF M15 Telde | 2023/04/14 09:00 | Alberto Barroso Campos v Diego A B Sanchez | 4-6,1-6 |