| ITF Germany F12 | 2015/08/18 11:55 | Neil Pauffley v Jannis Kahlke | 2-6,4-6 |
| ITF Germany F6 | 2015/07/10 15:15 | Sebastian Fanselow v Jannis Kahlke | 6-2,3-6,6-3 |
| ITF Germany F6 | 2015/07/09 11:00 | Jannis Kahlke v Mick Lescure | 7-6,6-1 |
| ITF Germany F6 | 2015/07/08 14:50 | Danylo Kalenichenko v Jannis Kahlke | 5-7,1-6 |
| ITF Germany F6 | 2015/07/06 12:30 | Jannis Kahlke v Alexander Mannapov | 7-6,6-3 |
| ITF Germany F6 | 2015/07/06 08:00 | Jannis Kahlke v Nikolas Walterscheid-Tukic | 6-1,6-2 |
| ITF Netherlands F2 | 2015/06/25 11:00 | Dennis Novak v Jannis Kahlke | 6-4,6-3 |
| ITF Netherlands F2 Qual | 2015/06/23 09:00 | Jannis Kahlke v Blake Ellis | 6-4,6-4 |
| ITF Germany F12 | 2015/08/18 11:00 | Leon Schutt v Jakob Sude | 4-6,5-7 |
| ITF Germany F7 | 2015/07/16 10:20 | Leon Schutt v Kevin Krawietz | 7-5,3-6,5-7 |
| ITF Germany F7 | 2015/07/15 09:00 | Leon Schutt v Julian Onken | 6-3,6-4 |
| ITF Germany F7 | 2015/07/13 08:00 | Leon Schutt v Julian Onken | 6-1,4-6,7-6 |
| ITF Germany F5 | 2015/07/01 14:30 | Kevin Krawietz v Leon Schutt | 6-3,6-1 |
| ITF Belgium F3 | 2015/06/23 10:20 | Marvin Netuschil v Leon Schutt | 7-6,6-3 |
| ITF Belgium F2 | 2015/06/17 10:00 | Leon Schutt v Ugo Nastasi | 4-6,5-7 |
| ITF Belgium F2 | 2015/06/16 12:15 | Leon Schutt v Thibault Saive | 6-1,6-3 |