Stadium: M.A.R.A - Court Round: 25
| ITF Germany F9 | 2018/07/25 16:00 | Dominik Boehler v Constantin Schmitz | 6-1,6-3 |
| ITF Germany F15 | 2018/10/09 11:00 | Jonathan Binding v Constantin Schmitz | 3-6,6-3,6-1 |
| ITF Germany F14 | 2018/10/05 11:45 | Paul Cayre v Constantin Schmitz | 6-3,6-2 |
| ITF Germany F14 | 2018/10/04 13:15 | Sandro Kopp v Constantin Schmitz | 2-6,2-6 |
| ITF Germany F14 | 2018/10/03 11:40 | Constantin Schmitz v Filip Duda | 6-4,6-2 |
| ITF Great Britain F4 | 2018/09/14 13:55 | Constantin Schmitz v Jack Draper | 2-6,1-6 |
| ITF Great Britain F4 | 2018/09/13 10:15 | Constantin Schmitz v Imran Aswat | 4-6,7-5,6-4 |
| ITF Great Britain F4 | 2018/09/12 10:00 | Finn Bass v Constantin Schmitz | 2-6,6-7 |
| ITF Great Britain F4 | 2018/09/11 12:30 | Simon Carr v Constantin Schmitz | 1-6,5-7 |
| ITF Germany F16 | 2018/10/25 11:00 | Altug Celikbilek v Dominik Boehler | 6-3,6-4 |
| ITF Germany F16 | 2018/10/24 12:00 | Roy Sarut De Valk v Dominik Boehler | 3-6,5-7 |
| ITF Germany F16 | 2018/10/23 17:20 | Paul Cayre v Dominik Boehler | 4-6,3-6 |
| ITF Germany F15 | 2018/10/14 10:00 | Vadym Ursu v Dominik Boehler | 6-7,6-4,6-7 |
| ITF Germany F15 | 2018/10/13 09:00 | Dominik Boehler v Bastien Presuhn | 6-1,6-0 |
| ITF Germany F15 | 2018/10/12 10:00 | Denis Matsukevich v Dominik Boehler | 4-6,5-7 |
| ITF Germany F15 | 2018/10/10 09:00 | Luke Jacob Gamble v Dominik Boehler | 4-6,2-6 |
| ITF Germany F14 | 2018/10/07 12:00 | Paul Cayre v Dominik Boehler | 2-6,3-6 |