Ground: Clay
| ITF Germany F6 | 2015/07/06 08:00 | Kahlke, Jannis v Walterscheid-Tukic, Nikolas | 6-1,6-2 |
| ITF Netherlands F2 | 2015/06/25 11:00 | Dennis Novak v Kahlke, Jannis | 6-4,6-3 |
| ITF Netherlands F2 Qual | 2015/06/23 09:00 | Kahlke, Jannis v Blake Ellis | 6-4,6-4 |
| ITF Germany F4 | 2015/01/28 10:45 | Kahlke, Jannis v Daniel Masur | 4-6,6-7 |
| ITF Germany F3 | 2015/01/22 17:50 | Kahlke, Jannis v Maden, Yannick | 6-4,4-6,4-6 |
| ITF Germany F1 | 2015/01/07 17:45 | Haenle, Pirmin v Kahlke, Jannis | 2-6,6-4,6-3 |
| ITF Germany F1 Qual | 2015/01/05 13:30 | Kahlke, Jannis v Gohlke, Delf | 6-4,6-4 |
| ITF Germany F17 | 2014/10/23 15:10 | Kahlke, Jannis v Maximilian Marterer | 3-6,6-7 |
| ITF Netherlands F1 Qual | 2015/06/15 09:00 | Jaede, Jack v Mannapov, Alexander | 6-3,6-2 |
| ITF Netherlands F1 Qual | 2015/06/13 11:30 | Gerritsen, Stephan v Mannapov, Alexander | 4-6,4-6 |
| Tunisia F10, Singles Qualifying | 2015/03/14 11:30 | Khomich, Aleksei v Mannapov, Alexander | 6-3,5-7,1-6 |
| ITF Tunisia F9 | 2015/03/11 10:55 | Antoine Hoang v Mannapov, Alexander | 6-1,6-2 |
| ITF Tunisia F5 | 2015/03/01 09:00 | Danes, Alexandru v Mannapov, Alexander | 6-2,6-7,6-3 |
| ITF Germany F4 | 2015/01/28 15:55 | Bemelmans, Ruben v Mannapov, Alexander | 6-4,6-1 |
| ITF Germany F1 | 2015/01/07 13:00 | Mannapov, Alexander v Vadym Ursu | 4-6,4-6 |
| ITF Germany F1 Qual | 2015/01/06 09:00 | Baumann, Daniel v Mannapov, Alexander | 6-3,7-6 |