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 M15 Monastir | 2019/01/16 09:00 | Constantin Schmitz v Maksim Tikhomirov | 6-3,6-2 |
| ITF M15 Monastir | 2019/01/14 12:00 | Constantin Schmitz v Mattia Bellucci | 6-2,6-0 |
| ITF M15 Monastir | 2019/01/14 08:00 | Constantin Schmitz v Mathieu Garcia | 6-1,6-2 |
| ITF Qatar F6 | 2018/12/20 12:00 | Constantin Schmitz v Lorenzo Frigerio | 3-6,1-6 |
| ITF Qatar F6 | 2018/12/18 08:55 | Goncalo Oliveira v Constantin Schmitz | 4-6,3-6 |
| ITF Qatar F6 | 2018/12/17 10:00 | Constantin Schmitz v Bart Van Den Berg | 6-3,6-3 |
| ITF Qatar F5 | 2018/12/10 13:40 | Peter Kobelt v Constantin Schmitz | 6-2,6-7,6-1 |
| ITF Qatar F5 | 2018/12/09 12:00 | Ivailo Keremedchiev v Constantin Schmitz | 6-7,4-6 |
| ITF M25 Nussloch | 2019/01/24 09:30 | Benjamin Hassan v Dominik Boehler | 2-6,6-3,6-4 |
| ITF M25 Nussloch | 2019/01/22 18:50 | Dominik Boehler v Marvin Netuschil | 6-4,6-3 |
| 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 |