Round: 25 Ground: Carpet indoor
| ITF Czech Republic F6 | 2015/07/07 08:00 | David Poljak v Michal Konecny | 4-6,1-6 |
| ITF Czech Republic F4 | 2015/06/22 12:15 | David Poljak v Lucas Miedler | 6-4,1-6,1-6 |
| ITF Czech Republic F3 | 2015/05/27 10:15 | David Poljak v Roman Jebavy | 2-6,1-6 |
| ITF Czech Republic F2 | 2015/05/21 08:00 | Vaclav Safranek v David Poljak | 6-4,7-5 |
| Challenger Ostrava | 2015/04/27 15:55 | David Poljak v Mate Delic | 2-6,4-6 |
| ITF Croatia F4 Qual | 2015/03/09 09:00 | Zdenek Kolar v David Poljak | 6-3,6-4 |
| ITF Croatia F4 Qual | 2015/03/08 13:00 | Francesco Salviato v David Poljak | 6-4,0-6,3-6 |
| ITF Croatia F4 Qual | 2015/03/08 09:00 | Andrei Patrui v David Poljak | 6-7,0-6 |
| ITF Czech Republic F4 | 2015/06/22 12:05 | Johannes Haerteis v Dominik Kellovsky | 3-6,6-4,3-6 |
| ITF Czech Republic F3 | 2015/05/26 09:00 | Johannes Haerteis v Robin Stanek | 4-6,6-7 |
| ITF Czech Republic F2 | 2015/05/21 10:15 | Johannes Haerteis v Jan Satral | 3-6,3-6 |
| ITF Czech Republic F2 | 2015/05/19 09:00 | Elmar Ejupovic v Johannes Haerteis | 6-4,3-6,4-6 |
| ATP Munich Qual | 2015/04/25 11:50 | Johannes Haerteis v Bastian Trinker | 4-6,3-6 |
| ITF Italy F30 | 2015/04/06 07:30 | Davide Della Tommasina v Johannes Haerteis | 6-4,6-4 |
| ITF Switzerland F2 | 2015/03/19 12:00 | Florian Fallert v Johannes Haerteis | 6-3,6-4 |
| ITF Switzerland F1 | 2015/03/13 16:00 | Johannes Haerteis v Kirill Dmitriev | 7-6,3-6,0-6 |