Stadium: Court 1 Round: 26 Ground: Hardcourt indoor
| French Open - Dublu Masculin | 2020/09/29 11:00 | Bonzi/Hoang v Klaasen/Marach | 6-3,3-6,6-2 |
| ATP - Hamburg - Dublu Masculin | 2020/09/21 16:30 | Krawietz/Mies v Klaasen/Marach | 7-6,6-3 |
| ATP - Roma - Dublu Masculin | 2020/09/16 09:00 | Purcell/Saville v Klaasen/Marach | 7-5,7-5 |
| US Open - Dublu Masculin | 2020/09/02 15:00 | Klaasen/Marach v Daniell/Oswald | 3-6,6-7 |
| ATP - New York - Dublu Masculin | 2020/08/24 19:45 | Klaasen/Marach v Rojer/Tecau | 3-6,4-6 |
| ATP - New York - Dublu Masculin | 2020/08/22 17:55 | Klaasen/Marach v Puetz/Zverev | 7-6,3-6,10-6 |
| ATP - Dubai - Dublu Masculin | 2020/02/29 13:00 | Peers/Venus v Klaasen/Marach | 6-3,6-2 |
| ATP - Dubai - Dublu Masculin | 2020/02/28 17:55 | Klaasen/Marach v Kontinen/Struff | 6-3,6-2 |
| Challenger - Indian Wells - Dublu Masculin | 2020/03/05 00:15 | Zverev/Zverev v Korda/Krueger | 6-4,4-6,9-11 |
| ATP - Acapulco - Dublu Masculin | 2020/02/28 03:45 | Mannarino/Martin v Zverev/Zverev | 6-1,6-4 |
| ATP - Acapulco - Dublu Masculin | 2020/02/25 03:00 | Zverev/Zverev v Monroe/Withrow | 6-3,6-3 |
| ATP - Hamburg - Dublu Masculin | 2019/07/24 11:00 | Lenz/Masur v Zverev/Zverev | 4-6,6-3,11-9 |
| ATP - Stuttgart - Dublu Masculin | 2019/06/11 16:30 | Marach/Melzer v Zverev/Zverev | 7-6,6-3 |
| ATP - Roma - Dublu Masculin | 2019/05/13 11:50 | Klaasen/Venus v Zverev/Zverev | 7-6,6-4 |
| ATP - Madrid - Dublu Masculin | 2019/05/07 11:15 | Haase/Klaasen v Zverev/Zverev | 7-6,7-6 |
| ATP - Monte Carlo - Dublu Masculin | 2019/04/17 13:15 | Haase/Koolhof v Zverev/Zverev | 6-7,6-4,10-8 |