Stadium: Court 3 Round: 26
| ITF Czech Republic F10 | 2018/11/14 16:45 | Mammetgulyyev, Isa v Aichhorn, Jakob | 6-7,3-6 |
| ITF Czech Republic F10 | 2018/11/13 11:00 | Aichhorn, Jakob v Piotr Grynkowski | 6-3,6-0 |
| ITF Czech Republic F10 | 2018/11/12 13:00 | Aichhorn, Jakob v Podlesak, Marek | 4-6,6-1,6-1 |
| ITF Germany F14 | 2018/10/03 11:35 | Aichhorn, Jakob v Guenther, Valentin | 3-6,2-6 |
| ITF Italy F26 | 2018/09/01 08:30 | Aichhorn, Jakob v Nystroem, Patrick | 2-6,4-6 |
| ITF Germany F13 | 2018/08/22 13:00 | Aichhorn, Jakob v Torebko, Peter | 0-6,2-6 |
| ITF Germany F13 | 2018/08/20 13:00 | Schulte, Rene v Aichhorn, Jakob | 6-4,6-2 |
| ITF Germany F13 | 2018/08/19 08:00 | Kurz, Benedict v Aichhorn, Jakob | 6-2,4-6,1-6 |
| ITF Czech Republic F10 | 2018/11/14 16:50 | Antonescu, Vasile v Christoph Negritu | 3-6,6-1,6-7 |
| Challenger Eckental | 2018/10/28 13:10 | Gleb Sakharov v Christoph Negritu | 7-5,6-2 |
| Challenger Eckental | 2018/10/27 11:00 | Christoph Negritu v Statzberger, Thomas | 6-1,6-1 |
| ITF France F21 | 2018/10/11 14:00 | Christoph Negritu v Dan Added | 6-4,3-6,6-7 |
| ITF France F21 | 2018/10/10 14:00 | Christoph Negritu v Yeung, Pak Long | 7-6,6-4 |
| ITF Germany F14 | 2018/10/06 11:00 | Cayre, Paul v Christoph Negritu | 1-6,7-5,6-3 |
| ITF Germany F14 | 2018/10/05 10:00 | Christoph Negritu v Bangratz, Johannes | 6-3,6-4 |
| ITF Germany F14 | 2018/10/04 10:00 | Christoph Negritu v Guenther, Valentin | 3-6,7-5,7-5 |