Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2023/11/20 10:30 | Niklas Grunewald v Daniil Savelev | 1-6,1-6 |
| ITF M15 Santo Domingo | 2023/11/12 13:00 | Niklas Grunewald v Emmett Ward | 1-6,1-6 |
| ITF M25 Santo Domingo | 2023/11/06 16:00 | Imran Sibille v Niklas Grunewald | 6-4,7-6 |
| ITF M25 Sharm El Sheikh | 2023/04/10 11:40 | Niklas Grunewald v Gabriele Bosio | 3-6,0-6 |
| ITF M15 Sharm El Sheikh | 2023/04/02 08:00 | Niklas Grunewald v Saveliy Ivanov | 6-7,2-6 |
| ITF M15 Sharm El Sheikh | 2023/03/27 10:30 | Niklas Grunewald v Lars Goran Verwerft | 2-6,3-6 |
| ITF M15 Sharm El Sheikh | 2023/03/26 14:00 | George Gregoriou v Niklas Grunewald | 5-7,0-6 |
| ITF M15 Sharm El Sheikh | 2022/10/10 08:00 | Adrian Mateo Bejenaru v Niklas Grunewald | 6-4,3-6,10-3 |
| ITF M15 Sharm El Sheikh | 2023/12/03 10:30 | Enrico Baldisserri v Cedric Stanke | 3-6,6-7 |
| ITF M15 Sharm El Sheikh | 2023/11/29 10:15 | Cedric Stanke v Michael Bassem Sobhy | 0-6,7-5,6-7 |
| ITF M15 Sharm El Sheikh | 2023/11/28 08:00 | Lorenzo Lorusso v Cedric Stanke | 6-4,5-7,8-10 |
| ITF M15 Sharm El Sheikh | 2023/11/20 10:30 | Ruslan Tiukaev v Cedric Stanke | 6-2,3-6,10-8 |
| ITF M15 Sharm El Sheikh | 2023/11/19 10:30 | Daniel Litvinov v Cedric Stanke | 4-6,0-6 |
| ITF M25 Sharm El Sheikh | 2023/11/06 08:00 | Fares Zakaria v Cedric Stanke | 3-6,6-3,10-8 |
| ITF M25 Sharm El Sheikh | 2023/11/05 08:00 | Cedric Stanke v Ioan A Teglas | 7-5,6-2 |
| ITF M25 Sharm El Sheikh | 2023/11/02 10:00 | Cedric Stanke v Robert Strombachs | 2-6,3-6 |