Stadium: Court 3 Round: 27 Ground: Clay
| ITF M25 - Quinta Do Lago | 2022/03/25 15:00 | Johannes Ingildsen v Alec Deckers | 6-7,5-7 |
| ITF M15 - Vejle | 2023/07/27 09:20 | Alec Deckers v Patrick Kaukovalta | 6-4,6-2 |
| ITF M15 - Vejle | 2023/07/26 13:20 | Alec Deckers v Valdemar Frederik Pape | 6-0,6-2 |
| 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 - Vejle | 2023/07/27 08:00 | Andrea Gola v Johannes Ingildsen | 3-6,5-7 |
| ITF M15 - Vejle | 2023/07/26 12:45 | Johannes Ingildsen v Gilles Arnaud Bailly | 6-2,7-5 |
| ITF M25 - Roehampton | 2023/07/18 10:00 | William Jansen v Johannes Ingildsen | 6-2,7-5 |
| ITF - M25 Nottingham | 2023/07/11 13:55 | Jacob Fearnley v Johannes Ingildsen | 6-2,6-1 |
| ITF M25 - Ajaccio | 2023/07/06 19:55 | Johannes Ingildsen v Jules Marie | 4-6,2-6 |
| ITF M25 - Ajaccio | 2023/07/05 07:00 | Johannes Ingildsen v Benjamin Pietri | 7-5,6-7,6-4 |
| ITF - M25 Nottingham - Kwal. | 2023/04/30 10:50 | Johannes Ingildsen v Louis Bowden | 2-6,5-7 |
| ITF - M25 Nottingham | 2023/04/27 11:30 | Millen Hurrion v Johannes Ingildsen | 6-7,6-2,6-2 |