Round: 25 Ground: Hardcourt outdoor
| ITF Turkey F31 | 2015/06/23 12:35 | Andrew Watson v Johan Nikles | 6-1,6-3 |
| ITF Turkey F31 | 2015/06/21 07:00 | Johan Nikles v Peter Bertran | 6-4,6-3 |
| ITF Turkey F31 | 2015/06/16 09:00 | Bradley Mousley v Johan Nikles | 6-4,2-6,6-2 |
| ITF Portugal F4 | 2015/05/07 14:50 | Johan Nikles v Bruno Santanna | 3-6,4-6 |
| ITF Portugal F4 | 2015/05/06 12:35 | Goncalo Falcao v Johan Nikles | 3-6,7-5,3-6 |
| ITF Switzerland F2 | 2015/03/19 12:00 | Johan Nikles v Pirmin Haenle | 4-6,2-6 |
| ITF Switzerland F2 | 2015/03/17 13:30 | Vadym Ursu v Johan Nikles | 6-3,4-6,4-6 |
| ITF Switzerland F1 | 2015/03/11 16:00 | Yann Marti v Johan Nikles | 3-6,6-4,6-1 |
| ITF Austria F3 | 2015/07/08 15:40 | Tomislav Ternar v Robin Stanek | 3-6,3-6 |
| ITF Austria F3 | 2015/07/07 09:00 | Goncalo Oliveira v Tomislav Ternar | 6-4,4-6,6-7 |
| ITF Austria F1 | 2015/06/25 12:30 | Dominik Boehler v Tomislav Ternar | 7-5,0-6,7-6 |
| ITF Austria F1 | 2015/06/24 09:00 | Steven De Waard v Tomislav Ternar | 4-6,2-6 |
| ITF Austria F1 | 2015/06/23 10:30 | Christian Hirschmueller v Tomislav Ternar | 3-6,3-6 |
| ITF Croatia F4 Qual | 2015/03/09 13:00 | Tomislav Ternar v Nicolae Frunza | 7-5,6-1 |
| ITF Croatia F4 Qual | 2015/03/08 09:00 | Tomislav Ternar v Borut Puc | 6-2,6-2 |
| ITF Croatia F4 Qual | 2015/03/07 10:00 | Tomislav Ternar v Philipp Schroll | 6-3,6-1 |