stadio: Court 14 Ground: Hardcourt outdoor
| ATP Dubai DM | 2020/02/29 13:00 | Peers/Venus v Klaasen/Marach | 6-3,6-2 |
| ATP Dubai DM | 2020/02/28 17:55 | Klaasen/Marach v Kontinen/Struff | 6-3,6-2 |
| ATP Dubai DM | 2020/02/27 11:00 | Koolhof/Mektic v Klaasen/Marach | 5-7,4-6 |
| ATP Dubai DM | 2020/02/25 11:35 | Khachanov/Rublev v Klaasen/Marach | 6-7,3-6 |
| ATP Rotterdam DM | 2020/02/15 12:00 | Klaasen/Marach v Herbert/Mahut | 7-6,6-7,7-10 |
| ATP Rotterdam DM | 2020/02/13 14:00 | Klaasen/Marach v Auger Aliassime/Hurkacz | 6-4,6-7,10-8 |
| ATP Rotterdam DM | 2020/02/12 15:45 | Klaasen/Marach v Arends/Pel | 6-3,7-5 |
| Australian Open DM | 2020/01/24 02:50 | Molteni/Nys v Klaasen/Marach | 6-7,6-3,6-4 |