Stadium: Court Suzanne Lenglen Round: 24 Ground: Clay
| ATP Hamburg MD | 2020/09/19 12:00 | Demoliner M / Middelkoop M v Moeller M / Welte M | 6-1,2-6,10-7 |
| ATP Kitzbuhel MD | 2020/09/11 14:30 | Marach O / Melzer J v Demoliner M / Middelkoop M | 7-5,6-7,11-9 |
| ATP Kitzbuhel MD | 2020/09/09 15:15 | Demoliner M / Middelkoop M v Ofner S / Rodionov J | 7-5,6-4 |
| 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 |