19.11.20 | 1/4 | Francesco Forti/Federico Gaio | Karol Drzewiecki/Szymon Walkow | 6-75, 6-4, 10-6 | | match details | Ortisei Challenger | I. hard |
18.11.20 | 1st round | Karol Drzewiecki/Szymon Walkow | Daniel Masur/Sebastian Ofner | 7-64, 4-6, 10-8 | | match details |
13.11.20 | 1/2 | Lukas Klein/Alex Molcan | Karol Drzewiecki/Szymon Walkow | 7-65, 6-3 | | match details | Bratislava Challenger | I. hard |
12.11.20 | 1/4 | Karol Drzewiecki/Szymon Walkow | Steven Diez/Blaz Rola | 7-62, 7-5 | | match details |
10.11.20 | 1st round | Karol Drzewiecki/Szymon Walkow | Tomas Liska/Vadym Ursu | 6-3, 3-6, 11-9 | | match details |
04.11.20 | 1st round | Harri Heliovaara/Jurij Rodionov | Karol Drzewiecki/Szymon Walkow | 7-66, 6-3 | | match details | Eckental Challenger | Carpet |
26.10.20 | 1st round | Mate Pavic/Bruno Soares | Karol Drzewiecki/Szymon Walkow | 7-67, 6-3 | | match details | Vienna | I. hard |
21.10.20 | 1st round | James Cerretani/Tristan-Samuel Weissborn | Karol Drzewiecki/Szymon Walkow | 6-2, 4-6, 12-10 | | match details | Ismaning Challenger | Carpet |
14.10.20 | 1st round | Steven Diez/Tommy Robredo | Karol Drzewiecki/Szymon Walkow | 7-65, 5-7, 10-7 | | match details | Alicante Challenger | Clay |
05.09.20 | fin | Artem Sitak/Igor Zelenay | Karol Drzewiecki/Szymon Walkow | 7-5, 6-4 | | match details | Ostrava Challenger | Clay |
04.09.20 | 1/2 | Karol Drzewiecki/Szymon Walkow | Tallon Griekspoor/Robin Haase | 6-3, 6-72, 12-10 | | match details |
03.09.20 | 1/4 | Karol Drzewiecki/Szymon Walkow | Robert Lindstedt/Sergiy Stakhovsky | 4-6, 6-3, 10-5 | | match details |
02.09.20 | 1st round | Karol Drzewiecki/Szymon Walkow | Andre Goransson/Goncalo Oliveira | 6-4, 7-64 | | match details |
26.08.20 | 1st round | Flavio Cobolli/Matteo Gigante | Karol Drzewiecki/Szymon Walkow | 6-76, 6-4, 10-7 | | match details | Trieste Challenger | Clay |
21.08.20 | 1/2 | Ariel Behar/Andrey Golubev | Karol Drzewiecki/Szymon Walkow | 6-2, 6-4 | | match details | Todi Challenger | Clay |
20.08.20 | 1/4 | Karol Drzewiecki/Szymon Walkow | Roberto Carballes Baena/Marco Trungelliti | Roberto Carballes Baena/Marco Trungelliti - walk over | | match details |
18.08.20 | 1st round | Karol Drzewiecki/Szymon Walkow | Maxime Janvier/Bernabe Zapata Miralles | 7-63, 7-5 | | match details |