Stadium: 10 Stärk Gartenbau Round: 62 Ground: Clay
| ITF Germany F2 Qual | 2018/01/21 11:00 | Marvin Rehberg v Dominik Recek | 4-6,5-7 |
| ITF Germany F11 | 2017/08/13 08:00 | Marvin Rehberg v Marlon Vankan | 5-7,3-6 |
| ITF Germany F10 | 2017/08/07 09:30 | Christian Hirschmueller v Marvin Rehberg | 6-3,6-1 |
| ITF Germany F10 | 2017/08/06 08:00 | Marek Flinner v Marvin Rehberg | 3-6,2-6 |
| ITF Germany F3 | 2017/01/22 11:30 | Marvin Rehberg v Yvo Panak | 6-7,1-6 |
| ITF Germany F17 | 2016/10/31 09:00 | Riccardo Maiga v Marvin Rehberg | 6-4,6-3 |
| ITF Germany F17 | 2016/10/30 09:00 | Bastian Parada v Marvin Rehberg | 6-3,3-6,2-6 |
| ITF Germany F11 | 2016/08/14 12:00 | Hendrik Jebens v Marvin Rehberg | 6-2,3-6,3-6 |
| ITF USA F37 | 2017/11/14 16:00 | Constantin Schmitz v Nuno Borges | 1-6,7-6,2-6 |
| ITF USA F36 | 2016/11/13 16:00 | Constantin Schmitz v Gianni Mina | 6-4,1-6,0-6 |
| ITF USA F36 | 2016/11/12 19:00 | Constantin Schmitz v Rubin Statham | 6-3,2-6,7-6 |
| ITF USA F36 | 2016/11/11 16:00 | Maxime Chazal v Constantin Schmitz | 6-3,2-6,4-6 |
| ITF USA F36 | 2016/11/10 16:00 | Constantin Schmitz v Felix Auger Aliassime | 6-0,6-2 |
| ITF USA F36 | 2016/11/08 17:45 | Constantin Schmitz v Andrew Carter | 6-2,6-1 |
| ITF USA F36 | 2016/11/07 15:30 | Constantin Schmitz v Isaiah Strode | 4-6,6-4,6-3 |
| ITF USA F36 | 2016/11/06 16:00 | Constantin Schmitz v Kalman Boyd | 6-1,6-0 |