Round: 26 Ground: Clay
| Challenger Ismaning - MD | 2019/10/15 17:30 | Lenz/Masur v Drzewiecki/Walkow | 4-6,4-6 |
| ATP Hamburg - MD | 2019/07/25 09:30 | Haase/Koolhof v Lenz/Masur | 7-6,6-4 |
| ATP Hamburg - MD | 2019/07/24 11:00 | Lenz/Masur v Zverev/Zverev | 4-6,6-3,11-9 |
| ATP Hamburg - MD | 2019/07/21 16:15 | Lenz/Masur v Podlipnik-Castillo/Vega Hernandez | 6-3,6-2 |
| ATP Hamburg - MD | 2019/07/20 15:45 | Arneodo/Vasilevski v Lenz/Masur | 2-6,3-6 |
| ITF Switzerland F2 MD | 2018/02/15 16:04 | Desein/Olivetti v Lenz/Masur | 6-4,7-6 |
| ITF Switzerland F2 MD | 2018/02/15 16:00 | Desein/Olivetti v Lenz/Masur | 6-4,7-6 |
| ITF Switzerland F2 MD | 2018/02/14 15:55 | Lenz/Masur v Jaloviec/Vrbensky | 7-6,7-6 |