Ground: Carpet indoor
| 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 |
| ITF Switzerland F1 | 2015/03/12 16:20 | Yann Marti v Johannes Haerteis | 6-2,3-6,4-6 |
| ITF Czech Republic F3 | 2015/05/27 09:00 | Dominik Kellovsky v Jan Satral | 2-6,2-6 |
| ITF Czech Republic F1 | 2015/05/14 10:15 | Fabricio Neis v Dominik Kellovsky | 3-6,6-1,7-6 |
| Challenger Ostrava | 2015/04/28 09:40 | Dominik Kellovsky v Inigo C Huegun | 1-6,1-6 |
| ITF Qatar F3 | 2015/04/15 14:50 | Dominik Kellovsky v Adrien Bossel | 6-7,6-4,4-6 |
| ITF Qatar F3 | 2015/04/14 13:40 | Dominik Kellovsky v Mohamed Shabib | 6-4,4-6,6-3 |
| ITF Qatar F3 Qual | 2015/04/12 13:00 | Dominik Kellovsky v George Kennedy | 6-0,6-0 |
| ITF Qatar F2 | 2015/04/07 14:10 | Scott Clayton v Dominik Kellovsky | 7-6,6-7,4-6 |
| ITF Qatar F1 | 2015/04/01 14:00 | Dominik Kellovsky v Kirill Dmitriev | 2-6,6-3,1-6 |