| Karlsruhe, Singles M-ITF-GER-04A | 2019/06/03 09:00 | Oscar Jose Gutierrez v Schaber, Marvin | 6-3,6-2 |
| ITF Germany F13 | 2018/08/21 08:00 | Patrick Zahraj v Schaber, Marvin | 6-4,6-3 |
| ITF Germany F13 | 2018/08/20 09:00 | Anton Chekhov v Schaber, Marvin | 5-7,4-6 |
| ITF Germany F13 | 2018/08/19 08:00 | Schaber, Marvin v Bencic, Brian | 6-3,7-5 |
| ITF Germany F1 | 2018/01/10 13:40 | Mansson, Marcus v Schaber, Marvin | 3-6,6-3,6-4 |
| ITF Germany F17 | 2016/10/30 11:00 | Schaber, Marvin v Bertsch, Jochen | 2-6,3-6 |