Stadium: Court 1 Round: 14 Ground: Hardcourt indoor
| Challenger Tenerife | 2024/01/18 16:00 | Samuel Vincent Ruggeri v Guy Den Ouden | 6-0,6-7,6-2 |
| Challenger Tenerife | 2024/01/16 15:30 | Guy Den Ouden v Antoine Escoffier | 6-3,6-3 |
| Challenger Tenerife | 2024/01/15 12:20 | August Holmgren v Guy Den Ouden | 7-5,6-7,6-7 |
| Challenger Tenerife | 2024/01/14 15:00 | Alexey Vatutin v Guy Den Ouden | 0-6,3-6 |
| Challenger Oeiras Qual | 2024/01/07 12:20 | Alexis Gautier v Guy Den Ouden | 6-4,6-7,6-3 |
| ITF M15 Monastir | 2023/12/10 08:45 | Jakub Paul v Guy Den Ouden | 3-6,2-6 |
| ITF M15 Monastir | 2023/12/09 11:00 | Paul Jubb v Guy Den Ouden | 4-6,4-6 |
| ITF M15 Monastir | 2023/12/08 09:00 | Mark Wallner v Guy Den Ouden | 4-6,1-6 |
| Challenger Oeiras | 2024/01/08 10:30 | Marvin Moeller v Marius Copil | 4-6,3-6 |
| Challenger Oeiras Qual | 2024/01/07 11:00 | Marvin Moeller v Alberto Barroso Campos | 6-2,6-2 |
| Challenger Danderyd | 2023/11/14 14:00 | David Goffin v Marvin Moeller | 6-3,6-2 |
| Challenger Danderyd | 2023/11/13 09:00 | Marvin Moeller v Hazem Naw | 7-6,6-3 |
| Challenger Danderyd | 2023/11/12 10:35 | Marvin Moeller v Yaroslav Demin | 6-3,6-4 |
| ITF M25 Sunderland | 2023/11/04 11:20 | Tibo Colson v Marvin Moeller | 6-3,7-6 |
| ITF M25 Sunderland | 2023/11/02 12:55 | Michael Shaw v Marvin Moeller | 5-7,5-7 |
| ITF M25 Sunderland | 2023/11/01 15:45 | Finn Bass v Marvin Moeller | 4-6,4-6 |