21.11.19 | 1/4 | Teimuraz Gabashvili/Pavel Kotov | Karol Drzewiecki/Szymon Walkow | 7-65, 5-7, 10-7 | | match details | Maia Challenger | Clay |
19.11.19 | 1st round | Karol Drzewiecki/Szymon Walkow | Romain Arneodo/Nicholas Monroe | 6-3, 5-7, 10-8 | | match details |
13.11.19 | 1st round | Harri Heliovaara/Patrik Niklas-Salminen | Karol Drzewiecki/Szymon Walkow | 6-4, 6-3 | | match details | Helsinki Challenger | I. hard |
24.10.19 | 1/4 | Adrian Menendez-Maceiras/Sergiy Stakhovsky | Karol Drzewiecki/Szymon Walkow | 6-4, 7-64 | | match details | Hamburg Challenger | I. hard |
22.10.19 | 1st round | Karol Drzewiecki/Szymon Walkow | Sander Arends/David Pel | 5-7, 7-66, 16-14 | | match details |
17.10.19 | 1/4 | Harri Heliovaara/Illya Marchenko | Karol Drzewiecki/Szymon Walkow | 6-1, 6-4 | | match details | Ismaning Challenger | Carpet |
15.10.19 | 1st round | Karol Drzewiecki/Szymon Walkow | Julian Lenz/Daniel Masur | 6-4, 6-4 | | match details |
05.10.19 | fin | Harri Heliovaara/Illya Marchenko | Karol Drzewiecki/Szymon Walkow | 6-4, 6-4 | | match details | Nur Sultan | I. hard |
04.10.19 | 1/2 | Karol Drzewiecki/Szymon Walkow | Teimuraz Gabashvili/Aslan Karatsev | Teimuraz Gabashvili/Aslan Karatsev - walk over | | match details |
03.10.19 | 1/4 | Karol Drzewiecki/Szymon Walkow | Viktor Durasovic/Ivan Gakhov | 6-4, 6-4 | | match details |
01.10.19 | 1st round | Karol Drzewiecki/Szymon Walkow | Timur Khabibulin/Vladyslav Manafov | 4-6, 7-64, 10-5 | | match details |
19.09.19 | 1/4 | Marek Gengel/Ramkumar Ramanathan | Karol Drzewiecki/Szymon Walkow | 6-4, 3-6, 10-3 | | match details | Glasgow Challenger | I. hard |
18.09.19 | 1st round | Karol Drzewiecki/Szymon Walkow | Luke Johnson/Mark Whitehouse | 3-6, 6-3, 10-3 | | match details |
31.08.19 | fin | Sander Arends/David Pel | Karol Drzewiecki/Szymon Walkow | 7-5, 6-4 | | match details | Mallorca Challenger | Hard |
30.08.19 | 1/2 | Karol Drzewiecki/Szymon Walkow | Uladzimir Ignatik/Roman Safiullin | 3-6, 6-3, 10-0 | | match details |
29.08.19 | 1/4 | Karol Drzewiecki/Szymon Walkow | Aaron Cohen/Imran Sibille | 6-0, 6-2 | | match details |
28.08.19 | 1st round | Karol Drzewiecki/Szymon Walkow | Alejandro Davidovich Fokina/Enrique Lopez-Perez | 4-6, 1-0, Alejandro Davidovich Fokina/Enrique Lopez-Perez - retired | | match details |
17.08.19 | 1/2 | Andre Begemann/Florin Mergea | Karol Drzewiecki/Szymon Walkow | 6-2, 7-5 | | match details | Meerbusch Challenger | Clay |
15.08.19 | 1/4 | Karol Drzewiecki/Szymon Walkow | Jose Hernandez-Fernandez/Roberto Ortega-Olmedo | 6-4, 6-3 | | match details |
14.08.19 | 1st round | Karol Drzewiecki/Szymon Walkow | Kai Breitbach/Mark Simons | 6-2, 6-4 | | match details |
08.08.19 | 1st round | Ivan Sabanov/Matej Sabanov | Karol Drzewiecki/Szymon Walkow | 6-3, 6-3 | | match details | Augsburg Challenger | Clay |
25.07.19 | 1/4 | Andre Begemann/Florin Mergea | Karol Drzewiecki/Szymon Walkow | 6-3, 6-3 | | match details | Prague Challenger | Clay |
24.07.19 | 1st round | Karol Drzewiecki/Szymon Walkow | Daniel Gimeno-Traver/Bernabe Zapata Miralles | 6-2, 6-3 | | match details |
02.07.19 | 1st round | Filip Horansky/Lucas Miedler | Karol Drzewiecki/Szymon Walkow | 7-5, 7-5 | | match details | Ludwigshafen Challenger | Clay |
19.06.19 | 1st round | Fernando Romboli/Andrea Vavassori | Karol Drzewiecki/Szymon Walkow | 6-3, 6-2 | | match details | Parma Challenger | Clay |
04.06.19 | 1st round | Javier Barranco Cosano/Raul Brancaccio | Karol Drzewiecki/Szymon Walkow | 7-63, 6-1 | | match details | Poznan Challenger | Clay |
23.05.19 | 1/4 | Tuna Altuna/Danilo Petrovic | Karol Drzewiecki/Szymon Walkow | 5-7, 6-3, 16-14 | | match details | Jerusalem Challenger | Hard |
22.05.19 | 1st round | Karol Drzewiecki/Szymon Walkow | Jonathan Erlich/Adil Shamasdin | 7-63, 4-6, 10-2 | | match details |
09.05.19 | 1/4 | Philipp Oswald/Filip Polasek | Karol Drzewiecki/Szymon Walkow | 6-4, 6-2 | | match details | Rome Challenger | Clay |
08.05.19 | 1st round | Karol Drzewiecki/Szymon Walkow | Franco Agamenone/Fernando Romboli | 6-3, 6-2 | | match details |
01.05.19 | 1st round | Benjamin Bonzi/Mark Vervoort | Karol Drzewiecki/Szymon Walkow | 6-3, 4-6, 10-5 | | match details | Ostrava Challenger | Clay |
11.04.19 | 1/4 | Tomislav Brkic/Tomislav Draganja | Karol Drzewiecki/Szymon Walkow | 7-66, 6-4 | | match details | Barletta Challenger | Clay |
10.04.19 | 1st round | Karol Drzewiecki/Szymon Walkow | Lorenzo Giustino/Nino Serdarusic | 7-61, 6-74, 10-5 | | match details |
20.02.19 | 1st round | Tomislav Brkic/Dustin Brown | Karol Drzewiecki/Szymon Walkow | 6-2, 6-4 | | match details | Bergamo Challenger | I. hard |
21.01.19 | 1/4 | Karol Drzewiecki/Szymon Walkow | Tim Heger/Peter Torebko | 6-3, 6-3 | | match details | M25 Nussloch | Carpet |
21.01.19 | 1/2 | Karol Drzewiecki/Szymon Walkow | Karlo Cubelic/Marvin Netuschil | 6-3, 7-64 | | match details |
21.01.19 | fin | Karol Drzewiecki/Szymon Walkow | Marek Gengel/Danylo Kalenichenko | 7-5, 6-3 | | match details |
21.01.19 | 1st round | Karol Drzewiecki/Szymon Walkow | Glenn Smits/Botic Van De Zandschulp | 3-6, 6-4, 11-9 | | match details |