| UTR Pro Tennis Series - Mülheim | 2021/07/28 12:30 | Marvin Schaber v Hendrik Jebens | 6-2,7-5 |
| UTR Pro Tennis Series - Mülheim | 2021/07/27 11:00 | Marvin Schaber v Vasile Antonescu | 1-6,6-4,2-6 |
| UTR Pro Tennis Series - Mülheim | 2021/07/26 12:30 | Marvin Schaber v Tim Gennes | 6-2,7-6 |
| ITF - M25 - Karlsruhe | 2019/06/03 09:00 | Oscar Jose Gutierrez v Marvin Schaber | 6-3,6-2 |
| ITF - Deutschland F13 | 2018/08/21 08:00 | Patrick Zahraj v Marvin Schaber | 6-4,6-3 |
| ITF - Deutschland F13 | 2018/08/20 09:00 | Anton Chekhov v Marvin Schaber | 5-7,4-6 |
| ITF - Deutschland F13 | 2018/08/19 08:00 | Marvin Schaber v Brian Bencic | 6-3,7-5 |
| ITF - Deutschland F1 | 2018/01/10 13:40 | Marcus Mansson v Marvin Schaber | 3-6,6-3,6-4 |
| UTR Pro Tennis Series - Mülheim | 2021/07/28 12:00 | Tim Gennes v John Sperle | 1-6,3-6 |
| UTR Pro Tennis Series - Mülheim | 2021/07/26 12:30 | Vasile Antonescu v John Sperle | 6-3,5-2 |
| ITF - M15 - Antalya | 2021/05/31 08:30 | Daniel Antonio Nunez v John Sperle | 6-4,7-5 |
| ITF - M15 - Antalya | 2021/05/23 07:00 | John Sperle v Jip Van Assendelft | 5-7,7-5,4-10 |
| ITF - M15 - Troisdorf | 2021/05/11 10:15 | John Sperle v Aliaksandr Bulitski | 6-2,4-6,5-10 |
| ITF - M15 - Troisdorf | 2021/05/10 09:30 | John Sperle v Tim Riedel | 5-7,6-1,10-6 |
| ITF - M15 - Troisdorf | 2021/05/09 10:00 | Adrian Obert v John Sperle | 3-6,2-6 |
| ITF - M25 - Meerbusch | 2021/04/13 09:30 | David Pichler v John Sperle | 6-0,6-2 |