| ITF Germany F14 | 2014/10/05 11:00 | Jan Mertl v Yannick Jankovits | 6-2,6-1 |
| ITF Germany F14 | 2014/10/04 11:00 | Jan Mertl v Martins Podzus | 6-4,7-5 |
| ITF Germany F14 | 2014/10/03 13:30 | Jan Mertl v Peter Kobelt | 7-6,4-6,7-6 |
| ITF Germany F14 | 2014/10/01 12:45 | Jan Mertl v Marvin Netuschil | 6-3,6-2 |
| Challenger Szczecin | 2014/09/09 09:00 | Jan Mertl v Marton Fucsovics | 7-6,7-5 |
| US Open Qual | 2014/08/21 18:40 | Illya Marchenko v Jan Mertl | 6-3,6-1 |
| US Open Qual | 2014/08/20 15:00 | Taylor Fritz v Jan Mertl | 6-1,3-6,3-6 |
| ITF Czech Republic F4 | 2014/05/30 10:00 | Jan Mertl v Dusan Lojda | 6-3,3-6,4-6 |
| ITF Germany F15 | 2014/10/06 08:00 | Jannis Kahlke v Denis Kapric | 7-6,6-2 |
| ITF Belgium F12 | 2014/08/19 16:00 | Germain Gigounon v Jannis Kahlke | 6-2,6-1 |
| ITF Germany F12 | 2014/08/15 15:00 | Jannis Kahlke v Yannick Hanfmann | 1-6,2-6 |
| ITF Germany F12 | 2014/08/14 16:20 | Jannis Kahlke v Tobias Simon | 6-4,6-4 |
| ITF Germany F12 | 2014/08/14 09:40 | Artem Smirnov v Jannis Kahlke | 3-6,3-6 |
| ITF Germany F10 | 2014/07/30 11:00 | Kai Wehnelt v Jannis Kahlke | 0-6,6-7 |
| ITF Germany F6 | 2014/07/03 12:40 | Florian Fallert v Jannis Kahlke | 6-3,4-6,7-6 |
| ITF Germany F6 | 2014/07/02 10:00 | Jannis Kahlke v Daniel Glancy | 6-0,6-2 |