17.04.21 | fin | Szymon Walkow/Jan Zielinski | Gregoire Barrere/Albano Olivetti | 6-2, 7-5 |  | match details | Split 2 | Clay |
16.04.21 | 1/2 | Szymon Walkow/Jan Zielinski | Andrey Golubev/Aleksandr Nedovesov | 6-3, 7-61 |  | match details |
15.04.21 | 1/4 | Szymon Walkow/Jan Zielinski | Duje Ajdukovic/Frane Nincevic | 6-0, 6-4 |  | match details |
14.04.21 | 1st round | Szymon Walkow/Jan Zielinski | Purav Raja/Tristan-Samuel Weissborn | 6-3, 6-4 |  | match details |
10.04.21 | fin | Andrey Golubev/Aleksandr Nedovesov | Szymon Walkow/Jan Zielinski | 7-5, 6-75, 10-5 |  | match details | Split 1 | Clay |
09.04.21 | 1/2 | Szymon Walkow/Jan Zielinski | Albano Olivetti/Matt Reid | 6-4, 6-4 |  | match details |
08.04.21 | 1/4 | Szymon Walkow/Jan Zielinski | Robert Galloway/Alex Lawson | 7-5, 7-66 |  | match details |
07.04.21 | 1st round | Szymon Walkow/Jan Zielinski | Sadio Doumbia/Fabien Reboul | 6-3, 6-2 |  | match details |
26.03.21 | 1/2 | Denys Molchanov/Sergiy Stakhovsky | Szymon Walkow/Jan Zielinski | 4-6, 7-63, 10-4 |  | match details | Lugano Challenger | I. hard |
25.03.21 | 1/4 | Szymon Walkow/Jan Zielinski | Purav Raja/Tristan-Samuel Weissborn | 6-4, 6-2 |  | match details |
24.03.21 | 1st round | Szymon Walkow/Jan Zielinski | Luca Margaroli/Jack Sock | 7-62, 6-76, 10-3 |  | match details |
12.03.21 | 1/2 | Denys Molchanov/Sergiy Stakhovsky | Szymon Walkow/Jan Zielinski | 7-64, 7-65 |  | match details | Biella 3 | I. hard |
11.03.21 | 1/4 | Szymon Walkow/Jan Zielinski | Daniel Masur/Jurij Rodionov | 6-2, 6-2 |  | match details |
10.03.21 | 1st round | Szymon Walkow/Jan Zielinski | Benjamin Hassan/Ryan Peniston | Benjamin Hassan/Ryan Peniston - walk over |  | match details |
13.02.21 | fin | Luis David Martinez/David Vega Hernandez | Szymon Walkow/Jan Zielinski | 6-4, 3-6, 10-8 |  | match details | Biella 1 | I. hard |
12.02.21 | 1/2 | Szymon Walkow/Jan Zielinski | Robert Galloway/Alex Lawson | 6-4, 6-75, 10-6 |  | match details |
11.02.21 | 1/4 | Szymon Walkow/Jan Zielinski | Luca Margaroli/Andrei Vasilevski | 6-2, 7-5 |  | match details |
10.02.21 | 1st round | Szymon Walkow/Jan Zielinski | Daniele Augenti/Massimo Giunta | 6-1, 6-3 |  | match details |
07.03.20 | | Szymon Walkow/Jan Zielinski | Ching Lam/Pak Long Yeung | 6-3, 6-76, 6-3 |  | match details | Davis Cup | I. hard |
01.03.20 | fin | Szymon Walkow/Jan Zielinski | Jesper De Jong/Bart Stevens | 6-4, 6-4 |  | match details | M25 Sunderland | I. hard |
28.02.20 | 1/2 | Szymon Walkow/Jan Zielinski | Charlie Emhardt/Tom Hands | 6-1, 6-1 |  | match details |
27.02.20 | 1/4 | Szymon Walkow/Jan Zielinski | Markus Eriksson/Christian Samuelsson | 7-62, 4-6, 10-6 |  | match details |
25.02.20 | 1st round | Szymon Walkow/Jan Zielinski | Jonathan Binding/Henry Patten | 6-4, 6-2 |  | match details |
22.02.20 | fin | Szymon Walkow/Jan Zielinski | Simon Freund/Evan Hoyt | 6-1, 6-1 |  | match details | M25 Glasgow | I. hard |
21.02.20 | 1/2 | Szymon Walkow/Jan Zielinski | Jesper De Jong/Bart Stevens | 6-2, 6-4 |  | match details |
20.02.20 | 1/4 | Szymon Walkow/Jan Zielinski | Jonathan Binding/Henry Patten | 7-5, 6-4 |  | match details |
19.02.20 | 1st round | Szymon Walkow/Jan Zielinski | Scott Duncan/Euan Mcintosh | 2-6, 6-4, 10-6 |  | match details |
09.11.15 | 1st round | Riccardo Bonadio/Fabio Colangelo | Szymon Walkow/Jan Zielinski | 6-0, 2-6, 10-8 |  | match details | Egypt F39 | Hard |