Stadium: M1 Round: 27 Ground: Clay
| ATP Hamburg MD | 2019/07/23 13:30 | Haase/Koolhof v Dellien/Monteiro | 3-6,6-3,10-5 |
| ATP Monte Carlo MD | 2019/04/21 09:30 | Haase/Koolhof v Mektic/Skugor | 7-6,6-7,9-11 |
| ATP Monte Carlo MD | 2019/04/20 09:30 | Haase/Koolhof v Murray/Soares | 7-6,6-4 |
| ATP Monte Carlo MD | 2019/04/19 10:25 | Haase/Koolhof v Albot/Basilashvili | 6-1,7-5 |
| ATP Monte Carlo MD | 2019/04/17 13:15 | Haase/Koolhof v Zverev/Zverev | 6-7,6-4,10-8 |
| ATP Monte Carlo MD | 2019/04/15 09:00 | Herbert/Mahut v Haase/Koolhof | 6-7,6-7 |
| ATP Hertogenbosch MD | 2018/06/12 13:15 | Inglot/Skugor v Haase/Koolhof | 6-4,7-6 |
| 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 |
| ITF Switzerland F2 MD | 2018/02/13 15:00 | Lenz/Masur v Klein/Michnev | 6-3,2-6,10-5 |
| ITF Switzerland F1 MD | 2018/02/09 18:00 | Lenz/Masur v Huesler/Paul | 3-6,6-7 |