Stadium: M1 Round: 14 Ground: Clay
| ATP Kitzbuhel MD | 2020/09/11 14:30 | Marach/Melzer v Demoliner/Middelkoop | 7-5,6-7,11-9 |
| ATP Kitzbuhel MD | 2020/09/09 15:15 | Demoliner/Middelkoop v Ofner/Rodionov | 7-5,6-4 |
| 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 |
| ITF M25 Nussloch MD | 2020/01/21 17:35 | Nouza/Sachko v Moeller/Welte | 6-1,6-0 |