Round: 27 Ground: Clay
| ITF Germany F5 | 2016/06/30 12:00 | Marc Sieber v Hendrik Jebens | 6-4,6-4 |
| ITF Germany F5 | 2016/06/29 12:30 | Marc Sieber v Francois-Arthur Vibert | 6-2,6-1 |
| ITF Turkey F24 | 2016/06/19 13:00 | Riccardo Bellotti v Marc Sieber | 0-6,6-1,6-4 |
| ITF Turkey F24 | 2016/06/18 14:35 | Simeon Rossier v Marc Sieber | 2-6,0-6 |
| ITF Turkey F24 | 2016/06/17 12:40 | Anil Yuksel v Marc Sieber | 4-6,0-6 |
| ITF Turkey F24 | 2016/06/16 13:05 | Alexander Babanine v Marc Sieber | 1-6,2-6 |
| ITF Turkey F24 | 2016/06/15 14:45 | Lawrence Bataljin v Marc Sieber | 1-6,1-6 |
| ITF Turkey F23 MD | 2016/06/12 11:30 | Claudio Fortuna v Marc Sieber | 4-6,1-6 |
| ITF Germany F5 | 2016/06/30 10:00 | Artem Dubrivnyy v Johannes Haerteis | 2-6,1-6 |
| ATP Halle Qual | 2016/06/11 09:00 | Johannes Haerteis v Robin Haase | 4-6,2-6 |
| ITF Czech Republic F2 | 2016/05/21 10:30 | Clement Geens v Johannes Haerteis | 6-3,7-5 |
| ITF Czech Republic F2 | 2016/05/20 10:40 | Petr Michnev v Johannes Haerteis | 6-7,6-4,4-6 |
| ITF Czech Republic F2 | 2016/05/19 09:00 | Johannes Haerteis v Tom Kocevar-Desman | 4-6,6-1,6-1 |
| ITF Czech Republic F2 | 2016/05/17 08:00 | Vadym Ursu v Johannes Haerteis | 2-6,3-6 |
| ITF Czech Republic F1 | 2016/05/11 09:00 | Zdeněk Kolář v Johannes Haerteis | 6-2,6-3 |
| ITF Hungary F1 | 2016/04/21 08:00 | Frank Dancevic v Johannes Haerteis | 7-5,6-4 |