| 05.08.18 | fin | Mateusz Kowalczyk/Szymon Walkow | Ruben Gonzales/Nathaniel Lammons | 7-66, 6-3 |  | match details | Sopot Challenger | Arcilla |
| 04.08.18 | 1/2 | Mateusz Kowalczyk/Szymon Walkow | Grzegorz Panfil/Gleb Sakharov | 7-62, 7-5 |  | match details |
| 02.08.18 | 1/4 | Mateusz Kowalczyk/Szymon Walkow | Dane Propoggia/Scott Puodziunas | 6-2, 6-4 |  | match details |
| 01.08.18 | 1er ronda | Mateusz Kowalczyk/Szymon Walkow | Kamil Majchrzak/Jan Zielinski | 6-2, 7-64 |  | match details |
| 09.06.18 | fin | Mateusz Kowalczyk/Szymon Walkow | Attila Balazs/Andrea Vavassori | 7-5, 6-78, 10-8 |  | match details | Poznan Challenger | Arcilla |
| 08.06.18 | 1/2 | Mateusz Kowalczyk/Szymon Walkow | Michal Dembek/Jan Zielinski | 7-65, 6-3 |  | match details |
| 07.06.18 | 1/4 | Mateusz Kowalczyk/Szymon Walkow | Henri Laaksonen/Grzegorz Panfil | 7-5, 3-6, 10-8 |  | match details |
| 06.06.18 | 1er ronda | Mateusz Kowalczyk/Szymon Walkow | Taro Daniel/Bernabe Zapata Miralles | 7-65, 6-1 |  | match details |
| 30.10.17 | 1er ronda | Mateusz Kowalczyk/Szymon Walkow | Petr Hajek/Michal Konecny | 6-4, 7-64 |  | match details | Czech Republic | I. difÃcil |
| 30.10.17 | fin | Karol Drzewiecki/Maciej Smola | Mateusz Kowalczyk/Szymon Walkow | 7-64, 6-74, 10-8 |  | match details |
| 30.10.17 | 1/4 | Mateusz Kowalczyk/Szymon Walkow | Alexey Aleshchev/Marko Osmakcic | 7-5, 6-0 |  | match details |
| 30.10.17 | 1/2 | Mateusz Kowalczyk/Szymon Walkow | Marek Jaloviec/Petr Michnev | 6-4, 6-4 |  | match details |
| 23.10.17 | 1er ronda | Mateusz Kowalczyk/Szymon Walkow | Marek Jaloviec/Petr Michnev | 7-66, 7-5 |  | match details | Czech Republic | Alfombra |
| 23.10.17 | 1/4 | Mateusz Kowalczyk/Szymon Walkow | Antonin Bolardt/Michael Vrbensky | 6-2, 6-4 |  | match details |
| 23.10.17 | 1/2 | Mateusz Kowalczyk/Szymon Walkow | Marek Gengel/Tomas Papik | 6-4, 5-7, 10-3 |  | match details |
| 23.10.17 | fin | Niels Lootsma/David Poljak | Mateusz Kowalczyk/Szymon Walkow | 2-6, 6-4, 10-6 |  | match details |
| 05.12.16 | 1er ronda | Mateusz Kowalczyk/Szymon Walkow | Antonin Bolardt/Lukas Polacek | 6-1, 6-4 |  | match details | Czech Republic | Alfombra |
| 05.12.16 | 1/2 | Sebastian Bader/Niels Lootsma | Mateusz Kowalczyk/Szymon Walkow | 6-2, 4-6, 10-5 |  | match details |
| 05.12.16 | 1/4 | Mateusz Kowalczyk/Szymon Walkow | Alexander Centenari/Sami Reinwein | 6-4, 6-2 |  | match details |