Round: 25 Ground: Hardcourt indoor
| France F19, Singles | 2015/09/27 13:00 | Authom, Maxime v Jahn, Jeremy | 6-3,6-4 |
| France F19, Singles | 2015/09/26 14:25 | Jahn, Jeremy v Guez, David | 6-2,6-4 |
| France F19, Singles | 2015/09/25 14:00 | Jahn, Jeremy v Yann Marti | 6-4,6-4 |
| France F19, Singles | 2015/09/24 11:40 | Goncalo Oliveira v Jahn, Jeremy | 6-7,1-6 |
| France F19, Singles | 2015/09/22 08:00 | Evan Furness v Jahn, Jeremy | 3-6,6-2,0-6 |
| ITF Belgium F14 | 2015/09/13 17:30 | Jahn, Jeremy v Vliegen, Joran | 6-3,6-4 |
| ITF Belgium F14 | 2015/09/12 12:00 | Meuffels, Alban v Jahn, Jeremy | 2-6,6-7 |
| ITF Belgium F14 | 2015/09/11 07:00 | Jahn, Jeremy v Billy Harris | 6-4,6-0 |
| ITF Germany F16 | 2015/10/15 15:15 | Oscar Otte v Haerteis, Johannes | 6-3,6-1 |
| ITF Germany F16 | 2015/10/13 10:40 | David Poljak v Haerteis, Johannes | 4-6,1-6 |
| ITF Germany F15 | 2015/10/08 13:05 | Haerteis, Johannes v Jan Choinski | 7-6,1-6,2-6 |
| ITF Germany F15 | 2015/10/07 09:25 | Louis Wessels v Haerteis, Johannes | 0-6,4-6 |
| ITF Germany F14 | 2015/10/01 09:00 | Haerteis, Johannes v Podzus, Martins | 5-7,6-7 |
| ITF Germany F13 | 2015/08/26 11:25 | Simon, Tobias v Haerteis, Johannes | 4-6,6-4,6-4 |
| ITF Germany F12 | 2015/08/21 11:00 | Marti, Javier v Haerteis, Johannes | 6-2,6-4 |
| ITF Germany F12 | 2015/08/20 14:35 | Sude, Jakob v Haerteis, Johannes | 6-7,7-6,2-6 |