Round: 25 Ground: Clay
| ITF Germany F7 | 2015/07/17 11:25 | Oriol Roca Batalla v Julian Lenz | 4-6,6-3,6-3 |
| ITF Germany F7 | 2015/07/14 12:40 | Julian Lenz v Javier Marti | 7-6,6-3 |
| Challenger Marburg | 2015/06/30 16:00 | Julian Lenz v Paul-Henri Mathieu | 6-4,3-6,3-6 |
| Challenger Dallas Qual | 2015/02/02 16:00 | Julian Lenz v Maxime Tchoutakian | 6-4,6-7,3-6 |
| ITF USA F1 | 2015/01/11 16:00 | Christian Lindell v Julian Lenz | 7-5,6-0 |
| ITF USA F1 | 2015/01/10 16:00 | Gonzalo Escobar v Julian Lenz | 2-6,2-6 |
| ITF USA F1 | 2015/01/09 17:40 | Julian Lenz v Nicolas Barrientos | 7-5,6-3 |
| ITF USA F1 | 2015/01/08 17:45 | Julian Lenz v Aron Hiltzik | 6-2,2-6,6-1 |
| Challenger Recanati | 2015/07/22 14:00 | Alexander Lazov v Yannick Mertens | 0-6,3-6 |
| Challenger Recanati | 2015/07/21 09:00 | Alexander Kudryavtsev v Alexander Lazov | 3-6,5-7 |
| ITF Germany F7 | 2015/07/14 14:05 | Kevin Krawietz v Alexander Lazov | 4-6,7-6,6-4 |
| ITF Bulgaria F1 | 2015/06/14 07:00 | Oriol Roca Batalla v Alexander Lazov | 3-6,6-4,6-2 |
| ITF Bulgaria F1 | 2015/06/13 09:15 | Alexander Lazov v Pirmin Haenle | 6-3,6-4 |
| ITF Bulgaria F1 | 2015/06/12 09:15 | Eduard Esteve Lobato v Alexander Lazov | 0-6,3-6 |
| ITF Bulgaria F1 | 2015/06/11 07:00 | Yurii Dzhavakian v Alexander Lazov | 3-6,2-6 |
| ITF Bulgaria F1 | 2015/06/10 07:00 | Toni Neykov v Alexander Lazov | 2-6,0-6 |