Round: 26 Ground: Clay
| ITF Germany F6 | 2016/07/06 16:20 | Marc Sieber v Vadym Ursu | 7-5,0-6,7-5 |
| ITF Germany F5 | 2016/07/02 09:00 | Marc Sieber v Antoine Hoang | 3-6,6-3,3-6 |
| ITF Germany F5 | 2016/07/01 11:00 | Marc Sieber v Johannes Haerteis | 6-3,7-5 |
| 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 Germany F6 | 2016/07/06 10:00 | Johann Willems v Thibault Venturino | 6-3,6-3 |
| ITF Germany F6 | 2016/07/04 10:00 | Hendrik Jebens v Johann Willems | 6-7,6-7 |
| ITF Germany F6 | 2016/07/03 12:00 | Chris Rodesch v Johann Willems | 1-6,1-6 |
| ITF Germany F5 | 2016/06/29 10:00 | Hendrik Jebens v Johann Willems | 5-7,7-5,6-1 |
| ITF Germany F5 | 2016/06/26 09:00 | Tim Van Der Horst v Johann Willems | 2-6,1-6 |
| ITF Germany F2 Qual | 2016/01/17 12:00 | Dominik Boehler v Johann Willems | 6-4,7-6 |
| ITF Turkey F41 | 2015/10/14 07:00 | Bogdan Bobrov v Johann Willems | 7-6,6-1 |
| ITF Turkey F41 | 2015/10/12 07:00 | Muhammet Haylaz v Johann Willems | 3-6,6-4,6-1 |