Estádio: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF - M25 Idanha-a-Nova | 2023/08/30 10:00 | Francisco Rocha v Johannes Ingildsen | 2-6,6-2,4-6 |
| ITF - M25 Roehampton | 2023/08/10 12:05 | Johannes Ingildsen v Paul Jubb | 2-6,0-6 |
| ITF - M25 Roehampton | 2023/08/08 10:00 | Johannes Ingildsen v Alexander Klintcharov | 6-3,6-4 |
| ITF - M15 Vejle | 2023/07/28 08:00 | Alec Deckers v Johannes Ingildsen | 6-4,6-0 |
| 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 Idanha-a-Nova | 2023/08/29 08:00 | Sergio Davila Godoy v Harry Wendelken | 0-6,5-7 |
| ITF - M25 Aldershot | 2023/08/16 09:00 | Harry Wendelken v Sean Hodkin | 4-6,4-6 |
| ITF - M25 Roehampton | 2023/08/10 09:30 | Michael Shaw v Harry Wendelken | 6-1,3-6,6-3 |
| ITF - M25 Roehampton | 2023/08/08 12:05 | Ryan James Storrie v Harry Wendelken | 2-6,7-6,4-6 |
| Wimbledon | 2023/06/26 10:00 | Matteo Gigante v Harry Wendelken | 6-3,7-6 |
| Challenger - Ilkley | 2023/06/20 10:30 | Sho Shimabukuro v Harry Wendelken | 6-2,6-7,6-2 |
| Challenger - Nottingham | 2023/06/11 15:40 | Harry Wendelken v Alex Michelsen | 6-4,3-6,5-7 |
| Challenger - Surbiton | 2023/06/06 10:00 | Bu Yunchaokete v Harry Wendelken | 7-6,7-5 |