Stadium: Court 3 Round: 25 Ground: Clay
| ITF Germany F6 | 2018/07/03 08:30 | Robert Strombachs v Pfaff, Moritz | 3-6,6-2,6-1 |
| ITF Germany F5 | 2018/06/27 10:00 | Heyman, Christopher v Robert Strombachs | 6-0,6-3 |
| ITF Germany F4 | 2018/06/22 08:00 | von Massow, George v Robert Strombachs | 6-2,6-3 |
| ITF Germany F4 | 2018/06/19 09:00 | Robert Strombachs v Klimov, Daniil | 6-3,6-4 |
| ITF Germany F4 | 2018/06/18 11:00 | Hoeveler, Leon v Robert Strombachs | 1-6,2-6 |
| ITF Germany F4 | 2018/06/17 12:00 | Penzkofer, Fabian v Robert Strombachs | 2-6,1-6 |
| ITF Czech Republic F3 Qual | 2018/05/27 09:00 | Terczynski, Mateusz v Robert Strombachs | 6-4,6-0 |
| ITF Czech Republic F1 | 2018/05/18 09:00 | Sebastian Fanselow v Robert Strombachs | 6-1,6-3 |
| Challenger Heilbronn Qual | 2018/05/13 09:00 | Christoph Negritu v Igor Sijsling | 4-6,0-6 |
| Challenger Heilbronn Qual | 2018/05/12 09:00 | Surchenko, Dmitry v Christoph Negritu | 5-7,1-6 |
| Tunisia F15, Singles Qualifying | 2018/04/17 11:10 | Christoph Negritu v Butler, Samm | 3-6,3-6 |
| Tunisia F14, Singles Qualifying | 2018/04/13 09:00 | Christoph Negritu v Crepatte, Baptiste | 2-6,3-6 |
| Tunisia F14, Singles Qualifying | 2018/04/12 09:00 | Christoph Negritu v Robert, Quentin | 5-7,6-3,6-2 |
| Tunisia F14, Singles Qualifying | 2018/04/10 09:00 | Konecny, Michal v Christoph Negritu | 4-6,4-6 |
| ITF Tunisia F13 | 2018/04/07 09:00 | Perez Sanz, David v Christoph Negritu | 6-4,6-2 |
| ITF Tunisia F13 | 2018/04/06 10:50 | Christoph Negritu v Clement Tabur | 7-6,6-3 |