Stadium: Court 1 Round: 26 Ground: Clay
| ITF Germany F10 | 2014/07/30 15:00 | Julian Lenz v Christoph Negritu | 6-4,6-7,6-4 |
| ITF Germany F13 | 2018/08/22 08:00 | Julian Lenz v Gabriel Schmidt | 6-3,6-3 |
| ITF Germany F13 | 2018/08/20 09:00 | Julian Lenz v Marvin Rehberg | 6-4,6-3 |
| ITF Germany F13 | 2018/08/19 14:00 | Julian Lenz v Laurin Aerne | 6-1,6-1 |
| Challenger Meerbusch Qual | 2018/08/11 13:20 | Raul Brancaccio v Julian Lenz | 6-1,6-2 |
| Challenger Pullach Qual | 2018/08/05 10:00 | Julian Lenz v Gianluca Mager | 4-6,3-6 |
| Challenger Pullach Qual | 2018/08/04 09:00 | Marc Sieber v Julian Lenz | 4-6,6-4,4-6 |
| ITF Germany F8 | 2018/07/21 14:35 | Orlando Luz v Julian Lenz | 6-3,6-3 |
| ITF Germany F8 | 2018/07/20 15:10 | Bruno Santanna v Julian Lenz | 6-2,1-6,2-6 |
| ITF Germany F13 | 2018/08/22 08:00 | Anton Chekhov v Christoph Negritu | 4-6,7-6,2-6 |
| ITF Netherlands F4 | 2018/08/16 12:35 | Max Houkes v Christoph Negritu | 6-3,4-6,6-2 |
| ITF Netherlands F4 | 2018/08/15 09:40 | Marco Saffratti v Christoph Negritu | 1-6,1-6 |
| ITF Germany F11 | 2018/08/10 12:00 | Jan Choinski v Christoph Negritu | 6-4,6-3 |
| ITF Germany F11 | 2018/08/09 10:15 | Mats Rosenkranz v Christoph Negritu | 3-6,2-6 |
| ITF Germany F11 | 2018/08/08 12:30 | Lucas Poullain v Christoph Negritu | 2-6,7-5,3-6 |
| ITF Germany F11 | 2018/08/07 09:00 | Hugo Daubias v Christoph Negritu | 6-7,4-6 |
| ITF Belgium F6 | 2018/08/02 11:00 | Loic Cloes v Christoph Negritu | 6-1,1-6,7-5 |