Round: 45 Ground: Clay
| 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 Switzerland F1 | 2015/03/09 16:20 | Enzo Sommer v Johannes Haerteis | 0-6,4-6 |
| ITF Turkey F3 | 2015/02/27 08:30 | Raphael Baltensperger v Johannes Haerteis | 6-4,6-4 |
| ITF Turkey F7 | 2015/02/14 11:00 | Johannes Haerteis v Nik Razborsek | 5-7,4-6 |
| ITF Turkey F6 | 2015/02/08 11:00 | Johannes Haerteis v David Novotny | 7-6,6-2 |
| ITF Turkey F11 | 2015/03/19 09:30 | Bastian Trinker v Zhizhen Zhang | 4-6,1-6 |
| ITF Turkey F11 | 2015/03/18 09:15 | Bastian Trinker v Altug Celikbilek | 6-3,7-6 |
| ITF Turkey F10 | 2015/03/10 13:30 | Andrea Vavassori v Bastian Trinker | 5-7,6-2,7-6 |
| Challenger Morelos | 2015/02/18 19:00 | Jason Jung v Bastian Trinker | 6-1,6-4 |
| Challenger Morelos | 2015/02/16 19:50 | Bastian Trinker v Yannick Mertens | 4-6,7-6,6-4 |
| Challenger Morelos Qual | 2015/02/15 17:00 | Jacob Adaktusson v Bastian Trinker | 3-6,6-4,2-6 |
| Challenger Santo Domingo | 2015/02/12 22:00 | Bastian Trinker v Damir Dzumhur | 1-6,3-6 |
| Challenger Santo Domingo | 2015/02/10 20:00 | Juan Ignacio Londero v Bastian Trinker | 3-6,7-5,6-7 |