Stadium: Court 2 Round: 54 Ground: Carpet indoor
| ITF Germany F3 Qual | 2018/01/28 16:00 | Dominik Boehler v Adriano Quinti | 6-2,6-1 |
| ITF Germany F2 | 2018/01/26 18:30 | Robin Kern v Dominik Boehler | 7-5,6-4 |
| ITF Germany F2 | 2018/01/25 11:45 | Dominik Boehler v Lukas Klein | 6-4,6-1 |
| ITF Germany F2 Qual | 2018/01/22 16:20 | Dominik Boehler v Robert Strombachs | 6-3,6-4 |
| ITF Germany F2 Qual | 2018/01/22 09:00 | Dominik Boehler v Adriano Quinti | 6-2,6-3 |
| ITF Czech Republic F12 | 2017/12/01 09:00 | Dominik Boehler v Rudolf Molleker | 3-6,4-6 |
| ITF Czech Republic F12 | 2017/11/30 12:15 | Marvin Netuschil v Dominik Boehler | 6-7,6-2,4-6 |
| ITF Czech Republic F12 | 2017/11/29 09:00 | Dominik Boehler v Marek Gengel | 6-4,6-3 |
| ITF Germany F3 Qual | 2018/01/28 17:00 | Charley Emhardt v Kai Lemstra | 1-6,2-6 |
| ITF Germany F2 | 2018/01/23 15:35 | Kai Lemstra v Pedro Cachin | 3-6,3-6 |
| ITF Germany F1 | 2018/01/11 17:10 | Elmar Ejupovic v Kai Lemstra | 6-3,6-4 |
| ITF Germany F1 | 2018/01/10 11:45 | Stefan Seifert v Kai Lemstra | 6-2,6-7,4-6 |
| ITF Germany F1 | 2018/01/08 12:30 | Karlo Cubelic v Kai Lemstra | 6-4,2-6,4-6 |
| ITF Germany F1 | 2018/01/07 11:30 | Tim Heger v Kai Lemstra | 4-6,4-6 |
| Challenger Eckental Qual | 2017/10/28 13:30 | Benjamin Hassan v Kai Lemstra | 7-5,7-6 |
| ITF Germany F16 | 2017/10/22 08:00 | Kai Lemstra v Tim Seibert | 3-6,1-6 |