Stadium: Court Kuchenmeister Round: 26 Ground: Clay
| US Open MD | 2020/09/05 15:00 | Murray/Skupski v Demoliner/Middelkoop | 6-3,6-2 |
| US Open MD | 2020/09/03 20:25 | Demoliner/Middelkoop v Mahut/Struff | 6-7,7-6,6-3 |
| ATP Santiago MD | 2020/02/27 18:50 | Demoliner/Middelkoop v Barrios Vera/Tabilo | 6-1,3-6,8-10 |
| ATP Santiago MD | 2020/02/25 18:15 | Demoliner/Middelkoop v Dellien/Goransson | 5-7,6-3,10-8 |
| ATP Rio de Janeiro MD | 2020/02/19 19:30 | Jebavy/Zelenay v Demoliner/Middelkoop | 5-7,6-3,10-8 |
| ATP Buenos Aires MD | 2020/02/15 19:40 | Granollers/Zeballos v Demoliner/Middelkoop | 6-2,7-5 |
| ATP Buenos Aires MD | 2020/02/13 18:00 | Demoliner/Middelkoop v Munar/Ruud | 6-3,6-4 |
| ATP Buenos Aires MD | 2020/02/12 19:00 | Demoliner/Middelkoop v Cecchinato/Ramos-Vinolas | 6-4,6-4 |
| Challenger Morelos MD | 2020/02/18 21:30 | Lock/Menendez-Maceiras v Ofner/Rodionov | 4-6,6-3,10-8 |