Stadion: Court 1 Round: 26 Ground: Clay
| ITF - M15 - Saarlouis | 2019/07/02 10:00 | Alexander Erler v Niklas Guttau | 4-6,6-4,5-7 |
| ITF - M15 - Kaltenkirchen | 2019/06/12 10:30 | Markus Eriksson v Niklas Guttau | 6-3,6-1 |
| ITF - M15 - Kaltenkirchen | 2019/06/11 18:25 | Niklas Guttau v Rinky Hijikata | 6-3,6-1 |
| ITF - M15 - Antalya | 2019/05/25 07:45 | Niklas Guttau v Christopher Heyman | 5-7,2-6 |
| ITF - M15 - Antalya | 2019/05/23 09:05 | Niklas Guttau v Adrian Obert | 4-6,6-4,7-6 |
| ITF - M15 - Antalya | 2019/05/22 11:30 | Paul Woerner v Niklas Guttau | 1-6,2-6 |
| ITF - M15 - Antalya | 2019/04/25 10:40 | Christopher Heyman v Niklas Guttau | 7-6,7-5 |
| ITF - M15 - Antalya | 2019/04/24 10:10 | Gorazd Srbljak v Niklas Guttau | 1-6,5-7 |
| ITF - M15 - Saarlouis | 2019/07/02 12:00 | Naoki Tajima v Dominik Boehler | 2-6,2-6 |
| ITF - M15 - Kamen | 2019/06/27 09:00 | Dominik Boehler v Alexandar Lazarov | 1-6,3-6 |
| ITF - M15 - Kamen | 2019/06/25 10:50 | Tim Seibert v Dominik Boehler | 4-6,4-6 |
| ITF - M15 - Troisdorf | 2019/05/07 09:15 | Oscar Jose Gutierrez v Dominik Boehler | 6-1,6-4 |
| ITF - M15 - Antalya | 2019/04/17 07:55 | Karl Friberg v Dominik Boehler | 6-3,5-7,7-5 |
| ITF - M15 - Antalya | 2019/04/11 07:15 | Dominik Boehler v Alexander Shevchenko | 7-6,6-7,3-6 |
| ITF - M15 - Tel Aviv | 2019/03/30 08:50 | Dominik Boehler v Edan Leshem | 6-4,0-6,1-6 |
| ITF - M15 - Tel Aviv | 2019/03/29 09:25 | Dominik Boehler v Ben Patael | 0-6,6-3,7-6 |