Stadium: Court 1 Round: 25 Ground: Clay
| Challenger - Amersfoort | 2023/07/21 13:30 | Alec Deckers v Titouan Droguet | 3-6,6-4,3-6 |
| Challenger - Amersfoort | 2023/07/20 17:00 | Jan Choinski v Alec Deckers | 2-6,6-7 |
| Challenger - Amersfoort | 2023/07/18 17:00 | Martin Landaluce v Alec Deckers | 6-7,5-7 |
| ITF M25 - Den Haag | 2023/07/04 17:00 | Alec Deckers v Guy Den Ouden | 6-7,6-7 |
| ITF M15 - Alkmaar | 2023/06/30 14:30 | Alec Deckers v Luke Simkiss | 6-7,6-4,4-6 |
| ITF M15 - Alkmaar | 2023/06/29 16:55 | Alec Deckers v Michiel de Krom | 6-3,6-4 |
| ITF M15 - Alkmaar | 2023/06/28 09:00 | Alec Deckers v Paul Woerner | 6-4,6-2 |
| ATP - 's-Hertogenbosch | 2023/06/10 09:00 | David Goffin v Alec Deckers | 6-4,6-1 |
| ITF M15 - Vejle | 2023/07/24 15:15 | Radovan Michalik v Valdemar Frederik Pape | 1-6,4-6 |
| ITF M15 - Vejle | 2023/07/24 09:30 | Valdemar Frederik Pape v Eldin Nokic | 7-6,6-4 |
| UTR - Pro Copenhagen | 2023/05/29 08:00 | Oskar Brostrom Poulsen v Valdemar Frederik Pape | 6-3,6-1 |
| ITF M15 - Frederiksberg | 2022/08/01 09:20 | Lewie Lane v Valdemar Frederik Pape | 6-2,6-1 |
| ITF M15 - Frederiksberg | 2022/07/31 07:00 | Patrick Kristensen v Valdemar Frederik Pape | 4-6,6-3,6-10 |
| ITF M15 - Vejle | 2022/07/26 09:40 | Eero Vasa v Valdemar Frederik Pape | 7-6,4-6,10-6 |
| ITF M15 - Vejle | 2022/07/24 07:00 | Valdemar Frederik Pape v Jonathan Stenberg | 2-6,6-3,10-5 |
| ITF M15 - Frederiksberg | 2021/08/03 11:50 | Palaphoom Kovapitukted v Valdemar Frederik Pape | 6-1,6-3 |