| German Masters | 2020/07/28 12:05 | Jan-Lennard Struff v Tobias Kamke | 3-6,6-3,4-6 |
| Challenger Nur-Sultan | 2020/03/10 08:30 | Jurij Rodionov v Tobias Kamke | 6-3,7-6 |
| Challenger Nur-Sultan | 2020/03/09 06:30 | Bekzat Usipbekov v Tobias Kamke | 1-6,0-6 |
| Challenger Calgary | 2020/02/29 02:05 | Kacper Zuk v Tobias Kamke | 6-4,6-4 |
| Challenger Calgary | 2020/02/27 23:00 | Tobias Kamke v Brayden Schnur | 7-6,6-3 |
| Challenger Calgary | 2020/02/26 04:10 | Tobias Kamke v Filip Peliwo | 6-4,6-0 |
| Challenger Drummondville | 2020/02/21 16:00 | Tobias Kamke v Maxime Cressy | 4-6,3-6 |
| Challenger Drummondville | 2020/02/20 15:00 | Andrew Harris v Tobias Kamke | 3-6,6-7 |
| German Masters | 2020/07/28 17:55 | Mats Moraing v Julian Lenz | 6-4,6-1 |
| German Masters | 2020/07/27 17:05 | Jan-Lennard Struff v Julian Lenz | 6-4,7-5 |
| DTB German Pro Series | 2020/06/26 12:40 | Peter Torebko v Julian Lenz | 2-6,6-3,5-7 |
| DTB German Pro Series | 2020/06/25 12:00 | Julian Lenz v Peter Torebko | 3-6,6-1,4-6 |
| DTB German Pro Series | 2020/06/24 14:10 | Maximilian Marterer v Julian Lenz | 6-4,6-4 |
| DTB German Pro Series | 2020/06/23 12:00 | Julian Lenz v Kevin Krawietz | 5-7,5-7 |
| DTB German Pro Series | 2020/06/12 13:00 | Jan-Lennard Struff v Julian Lenz | 6-7,6-0,6-1 |
| DTB German Pro Series | 2020/06/11 14:40 | Oscar Otte v Julian Lenz | 3-6,6-3,3-6 |