Stadium: Grass 8 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Nottingham | 2023/07/12 09:50 | Billy Blaydes v William Jansen | 7-6,6-4 |
| ITF M15 Sharm El Sheikh | 2022/12/08 10:10 | William Jansen v Samuel Vincent Ruggeri | 6-7,6-1,6-7 |
| ITF M15 Sharm El Sheikh | 2022/12/07 13:05 | Michael Bassem Sobhy v William Jansen | 3-6,6-3,2-6 |
| ITF M15 Madrid | 2022/11/24 09:35 | William Jansen v Adolfo Daniel Vallejo | 6-7,4-6 |
| ITF M15 Madrid | 2022/11/23 14:15 | Miguel Damas v William Jansen | 6-4,3-6,4-6 |
| ITF M15 Al Zahra | 2022/11/05 07:00 | Kristjan Tamm v William Jansen | 6-2,6-4 |
| ITF M15 Al Zahra | 2022/11/04 09:30 | Antoine Vincent v William Jansen | 2-6,1-6 |
| ITF M15 Al Zahra | 2022/11/03 12:25 | William Jansen v Dominik Palan | 6-3,6-2 |
| 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 Qual | 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 |
| ITF M25 Nottingham | 2023/04/26 12:05 | Johannes Ingildsen v Patrick Brady | 6-4,7-6 |
| ITF M25 Nottingham | 2023/04/25 09:00 | Johannes Ingildsen v Michael Shaw | 6-2,6-2 |
| ITF M25 Nottingham Qual | 2023/04/24 08:55 | Johannes Ingildsen v Jack Gibbens | 7-5,6-2 |