| ITF Austria F4 Qual | 2015/07/12 10:30 | Frantisek Polanka v Lukas Koncilia | 3-6,1-6 |
| ITF Austria F4 Qual | 2015/07/11 14:00 | Lukas Koncilia v Mauricio Resendiz Dominguez | 7-6,4-6,6-4 |
| ITF Spain F16 Qual | 2015/05/31 13:00 | Demian Raab v Lukas Koncilia | 7-6,6-1 |
| ITF Spain F15 | 2015/05/28 11:05 | Lukas Koncilia v Pol Toledo Bague | 2-6,0-6 |
| ITF Spain F15 | 2015/05/26 12:25 | Lukas Koncilia v Sergi Fontcuberta | 6-4,6-1 |
| ITF Austria F6 | 2015/07/25 11:30 | Bernd Kossler v Yvo Panak | 7-5,3-6,6-4 |
| ITF Austria F5 | 2015/07/23 15:50 | Bernd Kossler v Matic Spec | 7-6,6-3 |
| ITF Austria F5 | 2015/07/22 09:25 | Kirill Dmitriev v Bernd Kossler | 6-1,5-7,2-6 |
| ITF Austria F5 Qual | 2015/07/20 08:30 | Bernd Kossler v Nicolas Moreno De Alboran | 5-7,7-6,6-2 |
| ITF Austria F5 Qual | 2015/07/19 09:30 | Nicolo Turchetti v Bernd Kossler | 6-7,6-7 |
| ITF Austria F4 Qual | 2015/07/11 14:00 | Thomas Statzberger v Bernd Kossler | 6-7,6-3,6-3 |
| ITF Austria F4 Qual | 2015/07/11 09:30 | Bernd Kossler v Marco Neubau | 7-5,6-3 |
| ITF Turkey F12 | 2015/03/22 07:30 | Bernd Kossler v Matteo Berrettini | 2-6,2-6 |