Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Kaarst | 2019/02/06 15:00 | Christoph Negritu v Daniel De Jonge | 6-4,4-6,6-7 |
| ITF M15 Forbach | 2023/09/28 13:00 | Volodymyr Iakubenko v Daniel De Jonge | 7-5,6-4 |
| ITF M15 Forbach | 2023/09/27 11:35 | Antoine Vincent v Daniel De Jonge | 3-6,5-7 |
| ITF M15 Forbach | 2023/09/25 11:30 | Daniel De Jonge v Louroi Martinez | 6-4,6-1 |
| ITF M15 Forbach | 2023/09/24 15:00 | Daniel De Jonge v Sam Olszakowski | 6-2,6-1 |
| ITF M15 Danderyd | 2023/09/21 09:35 | Giles Hussey v Daniel De Jonge | 3-6,6-4,6-1 |
| ITF M15 Danderyd | 2023/09/20 08:00 | Ben Jones v Daniel De Jonge | 2-6,4-6 |
| ITF M15 Danderyd | 2023/09/19 10:05 | Daniel De Jonge v Filip Stidell | 6-2,6-1 |
| ITF M15 Danderyd | 2023/09/18 08:00 | Daniel De Jonge v Thomas George Brun | 6-2,6-1 |
| Challenger Sibiu | 2023/09/17 12:05 | Christoph Negritu v Juan Pablo Paz | 5-7,1-6 |
| ITF M15 Allershausen | 2023/09/02 10:00 | Christoph Negritu v Nicola Kuhn | 3-6,1-6 |
| ITF M15 Allershausen | 2023/09/01 10:00 | Tom Gentzsch v Christoph Negritu | 2-6,6-7 |
| ITF M15 Allershausen | 2023/08/31 13:10 | Yannik Kelm v Christoph Negritu | 2-6,4-6 |
| ITF M15 Allershausen | 2023/08/30 11:35 | Gregor Ramskogler v Christoph Negritu | 5-7,3-6 |
| Challenger Augsburg | 2023/08/22 14:25 | Christoph Negritu v Oriol Roca Batalla | 2-6,7-6,3-6 |
| Challenger Augsburg | 2023/08/21 08:00 | Christoph Negritu v Nicola Kuhn | 2-6,6-3,7-5 |
| Challenger Augsburg | 2023/08/20 09:40 | Julian Ocleppo v Christoph Negritu | 3-6,3-6 |