Round: 62 Ground: Hardcourt indoor
| ITF Turkey F38 | 2015/09/24 16:10 | Miliaan Niesten v Luca Keist | 6-1,6-3 |
| ITF Turkey F38 | 2015/09/20 12:00 | Vazha Shubladze v Luca Keist | 2-6,2-6 |
| ITF Switzerland F4 | 2015/08/26 12:30 | Luca Keist v Loic Perret | 2-6,3-6 |
| ITF Turkey F15 | 2015/04/12 08:00 | Robin Lang v Luca Keist | 6-2,6-0 |
| ITF Turkey F15 | 2015/04/11 07:00 | Jonathan Chang v Luca Keist | 7-6,5-7,3-6 |
| ITF Switzerland F2 Qual | 2015/03/15 09:00 | Manuel Mazzella v Luca Keist | 6-2,6-4 |
| ITF Switzerland F1 Qual | 2015/03/08 10:00 | Luca Keist v Nico Borter | 1-6,4-6 |
| ITF Switzerland F1 Qual | 2015/03/07 08:00 | Nicolas Parizzia v Luca Keist | 4-6,4-6 |
| ITF Germany F14 | 2015/09/30 16:00 | Tom Schonenberg v Ondrej Krstev | 6-3,6-2 |
| ITF Germany F14 | 2015/09/27 13:00 | Ondrej Krstev v Gabriele Moghini | 6-1,6-2 |
| ITF Poland F5 | 2015/09/09 08:00 | Ondrej Krstev v Patrik Fabian | 2-6,6-3,2-6 |
| ITF Poland F5 | 2015/09/07 11:50 | Ondrej Krstev v Julian Onken | 6-2,5-7,6-3 |
| ITF Austria F6 | 2015/07/26 12:30 | Philipp Dittmer v Ondrej Krstev | 7-6,6-2 |
| ITF Austria F6 | 2015/07/25 14:00 | Charly Zick v Ondrej Krstev | 6-7,0-6 |
| ITF Czech Republic F6 | 2015/07/06 08:00 | Ondrej Krstev v Peter Vajda | 3-6,1-6 |
| ITF Czech Republic F6 Qual | 2015/07/04 11:00 | Ondrej Krstev v Filipp Kekercheni | 6-3,5-7,6-3 |