Stadium: M1 Round: 27 Ground: Clay
| ATP Hamburg MD | 2019/07/23 13:30 | Haase R / Koolhof W v Dellien H / Monteiro T | 3-6,6-3,10-5 |
| ATP - Monte-Carlo - Doubles Hommes | 2019/04/21 09:30 | Haase R / Koolhof W v Mektic N / Skugor F | 7-6,6-7,9-11 |
| ATP - Monte-Carlo - Doubles Hommes | 2019/04/20 09:30 | Haase R / Koolhof W v Murray J / Soares B | 7-6,6-4 |
| ATP - Monte-Carlo - Doubles Hommes | 2019/04/19 10:25 | Haase R / Koolhof W v Albot R / Basilashvili N | 6-1,7-5 |
| ATP - Monte-Carlo - Doubles Hommes | 2019/04/17 13:15 | Haase R / Koolhof W v Zverev A / Zverev M | 6-7,6-4,10-8 |
| ATP - Monte-Carlo - Doubles Hommes | 2019/04/15 09:00 | Herbert P-H / Mahut N v Haase R / Koolhof W | 6-7,6-7 |
| ATP Hertogenbosch MD | 2018/06/12 13:15 | Inglot D / Skugor F v Haase R / Koolhof W | 6-4,7-6 |
| ATP Hamburg MD | 2019/07/24 11:00 | Lenz J / Masur D v Zverev A / Zverev M | 4-6,6-3,11-9 |
| ATP Hamburg MD | 2019/07/21 16:15 | Lenz J / Masur D v Podlipnik-Castillo H / Vega Hernandez D | 6-3,6-2 |
| ATP Hamburg MD | 2019/07/20 15:45 | Arneodo R / Vasilevski A v Lenz J / Masur D | 2-6,3-6 |
| ITF Switzerland F2 MD | 2018/02/15 16:04 | Desein N / Olivetti A v Lenz J / Masur D | 6-4,7-6 |
| ITF Switzerland F2 MD | 2018/02/15 16:00 | Desein N / Olivetti A v Lenz J / Masur D | 6-4,7-6 |
| ITF Switzerland F2 MD | 2018/02/14 15:55 | Lenz J / Masur D v Jaloviec M / Vrbensky M | 7-6,7-6 |
| ITF Switzerland F2 MD | 2018/02/13 15:00 | Lenz J / Masur D v Klein L / Michnev P | 6-3,2-6,10-5 |
| ITF Switzerland F1 MD | 2018/02/09 18:00 | Lenz J / Masur D v Huesler M-A / Paul J | 3-6,6-7 |