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