Stadium: Centre Court Round: 28 Ground: Hardcourt outdoor
| ATP Dubai MD | 2020/02/27 11:00 | Koolhof/Mektic v Klaasen/Marach | 5-7,4-6 |
| ATP Dubai MD | 2020/02/25 11:35 | Khachanov/Rublev v Klaasen/Marach | 6-7,3-6 |
| ATP Rotterdam MD | 2020/02/15 12:00 | Klaasen/Marach v Herbert/Mahut | 7-6,6-7,7-10 |
| ATP Rotterdam MD | 2020/02/13 14:00 | Klaasen/Marach v Auger Aliassime/Hurkacz | 6-4,6-7,10-8 |
| ATP Rotterdam MD | 2020/02/12 15:45 | Klaasen/Marach v Arends/Pel | 6-3,7-5 |
| Australian Open MD | 2020/01/24 02:50 | Molteni/Nys v Klaasen/Marach | 6-7,6-3,6-4 |
| Australian Open MD | 2020/01/22 06:50 | Kecmanovic/Ruud v Klaasen/Marach | 2-6,6-4,3-6 |
| ATP Adelaide MD | 2020/01/13 02:10 | Klaasen/Marach v Kubot/Melo | 2-6,4-6 |
| ATP Dubai MD | 2020/02/27 17:10 | Kontinen/Struff v Ebden/Paes | 6-3,6-3 |
| ATP Dubai MD | 2020/02/24 11:20 | Kontinen/Struff v Pavic/Soares | 7-6,7-6 |
| ATP Dubai MD | 2020/02/23 10:00 | Kontinen/Struff v Bopanna/Carreno-Busta | 6-3,3-6,10-6 |
| ATP Rotterdam MD | 2020/02/16 12:00 | Kontinen/Struff v Herbert/Mahut | 6-7,6-4,7-10 |
| ATP Rotterdam MD | 2020/02/15 20:30 | Kontinen/Struff v Bopanna/Shapovalov | 5-7,6-2,10-8 |
| ATP Rotterdam MD | 2020/02/14 10:00 | Kontinen/Struff v Murray/Skupski | 5-7,6-1,10-6 |
| ATP Rotterdam MD | 2020/02/10 13:10 | Krawietz/Mies v Kontinen/Struff | 2-6,2-6 |
| ATP Rotterdam MD | 2020/02/09 13:40 | Kontinen/Struff v Griekspoor/Van De Zandschulp | 6-3,7-5 |