Stadium: Court 3 Round: 26 Ground: Hardcourt indoor
| ITF M25 Idanha-A-Nova | 2023/08/31 09:55 | Johannes Ingildsen v Harry Wendelken | 7-5,6-0 |
| ITF M15 Danderyd | 2023/09/20 10:05 | Harry Wendelken v George Houghton | 7-6,2-6,6-2 |
| ITF M25 Sintra | 2023/09/10 09:30 | Jaime Faria v Harry Wendelken | 6-3,2-6,6-7 |
| ITF M25 Sintra | 2023/09/09 10:30 | Harry Wendelken v Henrique Rocha | 6-2,3-6,7-5 |
| ITF M25 Sintra | 2023/09/08 09:30 | Harry Wendelken v Rodrigo Fernandes | 6-4,3-6,6-2 |
| ITF M25 Sintra | 2023/09/06 11:20 | Harry Wendelken v van Emburgh, Jake | 6-3,6-4 |
| ITF M25 Idanha-A-Nova | 2023/08/31 09:55 | Johannes Ingildsen v Harry Wendelken | 7-5,6-0 |
| ITF M25 Idanha-A-Nova | 2023/08/29 08:00 | Davila Godoy, Sergio 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 M15 Danderyd | 2023/09/20 11:20 | Albert Saar v Johannes Ingildsen | 2-6,3-6 |
| ITF M25 Sintra | 2023/09/06 12:05 | Johannes Ingildsen v Martyn Pawelski | 1-6,2-6 |
| ITF M25 Idanha-A-Nova | 2023/09/01 08:00 | Robin Bertrand v Johannes Ingildsen | 6-2,6-1 |
| ITF M25 Idanha-A-Nova | 2023/08/31 09:55 | Johannes Ingildsen v Harry Wendelken | 7-5,6-0 |
| 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 |