Stadium: Court 1 Round: 26 Ground: Hardcourt indoor
| Challenger Winnetka MD | 2019/07/09 21:00 | Istomin/Karlovskiy v Maytin/Withrow | 6-1,4-6,10-2 |
| Challenger Quimper MD | 2021/01/27 16:50 | Drzewiecki/Walkow v Guinard/Rinderknech | 6-7,2-6 |
| Challenger Ortisei MD | 2020/11/19 13:05 | Drzewiecki/Walkow v Forti/Gaio | 7-6,4-6,6-10 |
| Challenger Ortisei MD | 2020/11/18 13:05 | Drzewiecki/Walkow v Masur/Ofner | 7-6,4-6,10-8 |
| Challenger Bratislava MD | 2020/11/13 15:10 | Klein/Molcan v Drzewiecki/Walkow | 7-6,6-3 |
| Challenger Bratislava MD | 2020/11/12 09:00 | Diez/Rola v Drzewiecki/Walkow | 6-7,5-7 |
| Challenger Bratislava MD | 2020/11/10 16:55 | Liska/Ursu v Drzewiecki/Walkow | 3-6,6-3,9-11 |
| Challenger Eckental MD | 2020/11/04 15:00 | Drzewiecki/Walkow v Heliovaara/Rodionov | 6-7,3-6 |
| ATP Vienna MD | 2020/10/26 16:15 | Pavic/Soares v Drzewiecki/Walkow | 7-6,6-3 |