Round: 25 Ground: Clay
| ITF Turkey F49 | 2016/12/07 09:10 | Lucas Koelle v Andriej Kapas | 4-6,2-6 |
| ITF Turkey F48 | 2016/12/02 07:00 | Lucas Koelle v Lorenzo Frigerio | 5-7,2-6 |
| ITF Turkey F48 | 2016/11/30 09:55 | Lucas Koelle v Isa Mammetgulyyev | 6-1,6-1 |
| ITF Turkey F47 | 2016/11/22 08:30 | Alexander Lazov v Lucas Koelle | 6-7,6-2,6-2 |
| Challenger Bogota | 2016/11/08 20:00 | Lucas Koelle v Fernando Romboli | 6-3,5-7,3-6 |
| ITF Brazil F5 | 2015/08/24 18:40 | Lucas Koelle v Thales Turini | 1-6,3-6 |
| ITF Brazil F5 | 2015/08/23 14:50 | Lucas Koelle v Lourenco Gasperini | 2-6,6-4,7-5 |
| ITF Brazil F5 | 2015/08/22 12:00 | Asdrubal Gobernate v Lucas Koelle | 2-6,3-6 |
| ITF Turkey F6 | 2017/02/13 08:00 | Christoph Negritu v Anil Yuksel | 5-7,3-6 |
| ITF Turkey F5 | 2017/02/08 07:00 | Christoph Negritu v Michal Konecny | 6-7,5-7 |
| ITF Turkey F5 | 2017/02/06 09:30 | Bernd Kossler v Christoph Negritu | 1-6,4-6 |
| ITF France F3 | 2017/01/24 12:00 | Christoph Negritu v Christopher Heyman | 1-6,0-6 |
| ITF Germany F1 | 2017/01/10 11:00 | Pavel Nejedly v Christoph Negritu | 6-3,7-5 |
| ITF South Africa F3 | 2016/11/17 23:00 | Jordi Samper-Montana v Christoph Negritu | 6-4,6-4 |
| ITF South Africa F3 | 2016/11/16 23:00 | Philip Henning v Christoph Negritu | 2-6,2-6 |
| ITF South Africa F3 | 2016/11/15 23:00 | Curtis Clarke v Christoph Negritu | 1-6,1-6 |