Stadium: Lotto RLP Centre Court Round: 14 Ground: Hardcourt indoor
| Challenger - Ottignies | 2024/01/23 09:00 | Adrian Andreev v Guy Den Ouden | 7-6,7-5 |
| Challenger - Ottignies | 2024/01/22 09:00 | Guy Den Ouden v Marvin Moeller | 6-2,7-6 |
| 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 - M25 Nussloch | 2024/01/25 17:45 | Max Hans Rehberg v Louis Wessels | 6-2,7-5 |
| ITF - M25 Nussloch | 2024/01/24 16:55 | Maurus Malgiaritta v Louis Wessels | 3-6,6-7 |
| ITF M25 Esch/Alzette | 2024/01/04 11:10 | Louis Wessels v Kylian Collignon | 4-6,6-3,6-7 |
| ITF M25 Esch/Alzette | 2024/01/03 16:25 | Louis Wessels v Simon Beaupain | 2-6,6-3,6-4 |
| ITF M25 Mumbai | 2023/11/25 05:00 | Ramkumar Ramanathan v Louis Wessels | 7-6,6-3 |
| ITF M25 Mumbai | 2023/11/24 04:30 | S D Prajwal Dev v Louis Wessels | 4-6,3-6 |
| ITF M25 Mumbai | 2023/11/23 06:30 | Yuichiro Inui v Louis Wessels | 4-6,6-7 |
| ITF M25 Mumbai | 2023/11/22 03:30 | Seita Watanabe v Louis Wessels | 4-6,5-7 |