Round: 54 Ground: Carpet indoor
| ITF Belgium F14 | 2015/09/06 08:30 | Flemming Peters v Luca Gelhardt | 5-7,2-6 |
| ITF Germany F13 | 2015/08/24 13:30 | Laslo Urrutia Fuentes v Luca Gelhardt | 6-1,6-1 |
| ITF Germany F13 | 2015/08/23 14:00 | Bastian Parada v Luca Gelhardt | 4-6,3-6 |
| ITF Germany F11 | 2015/08/10 11:30 | Luca Gelhardt v Jakob Sude | 6-3,5-7,1-6 |
| ITF Germany F11 | 2015/08/09 07:30 | Luca Gelhardt v Urs Thurau | 6-3,6-2 |
| ITF Germany F10 Qual | 2015/08/02 13:00 | Luca Gelhardt v Alexis Gautier | 3-6,4-6 |
| ITF Germany F9 | 2015/07/26 09:30 | David Simunek v Luca Gelhardt | 4-6,6-7 |
| ITF Belgium F6 Qual | 2015/07/11 07:00 | Luca Gelhardt v Florian Simbozel | 1-6,6-3,1-6 |
| ITF Germany F8 Qual | 2015/07/19 09:30 | Paul-Georg Guenther v Linus Krohn | 1-6,0-6 |
| ITF Germany F6 | 2015/07/05 08:00 | Paul-Georg Guenther v Nikolas Walterscheid-Tukic | 2-6,2-6 |
| ITF France F20 Qual | 2014/09/20 07:00 | Luca Margaroli v Paul-Georg Guenther | 6-3,6-1 |