| Doubles | |
|---|---|
| 2017 Poznań Open | |
| Champions |  Guido Andreozzi  Jaume Munar |
| Runners-up |  Tomasz Bednarek  Gonçalo Oliveira |
| Score | 6–7(4–7), 6–3, [10–4] |
Aleksandre Metreveli and Peng Hsien-yin were the defending champions but chose not to defend their title.
Guido Andreozzi and Jaume Munar won the title after defeating Tomasz Bednarek and Gonçalo Oliveira 6–7(4–7), 6–3, [10–4] in the final.
Mateusz Kowalczyk / 
Andreas Mies (first round)
Rameez Junaid / 
Igor Zelenay (semifinals)
Jonathan Eysseric / 
André Ghem (first round) Tomasz Bednarek / Gonçalo Oliveira (final)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | M Kowalczyk A Mies | 3 | 5 | ||||||||||||||||||||||||
 Z Kolář Petr Michnev | 6 | 7 | Z Kolář P Michnev | 5 | 6 | [10] | |||||||||||||||||||||
R Ramírez Hidalgo  C Ruud | 3 | 3 | K Majchrzak G Panfil | 7 | 3 | [12] | |||||||||||||||||||||
| K Majchrzak G Panfil | 6 | 6 | K Majchrzak G Panfil | 1 | 3 | ||||||||||||||||||||||
| 4 | T Bednarek G Oliveira | 6 | 4 | [10] | 4 | T Bednarek G Oliveira | 6 | 6 | |||||||||||||||||||
S Puodziunas  H Reese | 4 | 6 | [3] | 4 | T Bednarek G Oliveira | 6 | 6 | ||||||||||||||||||||
G Clezar  M Linzer | 77 | 2 | [9] | WC |  VV Cornea K Drzewiecki | 2 | 4 | ||||||||||||||||||||
| WC | VV Cornea K Drzewiecki | 65 | 6 | [11] | 4 | T Bednarek G Oliveira | 77 | 3 | [4] | ||||||||||||||||||
| Mariano Kestelboim A Velotti | 2 | 6 | [6] | G Andreozzi J Munar | 64 | 6 | [10] | ||||||||||||||||||||
| G Andreozzi J Munar | 6 | 3 | [10] | G Andreozzi J Munar | 6 | 6 | |||||||||||||||||||||
| WC | Michał Dembek Maciej Smoła | 3 | 6 | [10] | WC | M Dembek M Smoła | 4 | 4 | |||||||||||||||||||
| 3 | J Eysseric A Ghem | 6 | 3 | [2] | G Andreozzi J Munar | 6 | 6 | ||||||||||||||||||||
| WC | H Hurkacz S Walków | 6 | 4 | [10] | 2 | R Junaid I Zelenay | 2 | 4 | |||||||||||||||||||
 D Kalenichenko  P Krstin | 3 | 6 | [8] | WC | H Hurkacz S Walków | 3 | 4 | ||||||||||||||||||||
 S Balaji VS Prashanth | 4 | 4 | 2 | R Junaid I Zelenay | 6 | 6 | |||||||||||||||||||||
| 2 | R Junaid I Zelenay | 6 | 6 | ||||||||||||||||||||||||
Łukasz Kubot and Oliver Marach were the defenders of championship title; however, they were defeated by Polish unseeded pair Tomasz Bednarek and Mateusz Kowalczyk in the first round .
Robert Lindstedt and Horia Tecău won in the final 6–2, 3–6, [10–7], against Rohan Bopanna and Aisam-ul-Haq Qureshi.
Łukasz Kubot and Oliver Marach were the defenders of title, but Kubot chose not to compete this year and Marach chose to play in Munich instead.
Santiago González and Travis Rettenmaier won in the final 7–6(8–6), 6–1, against Tomasz Bednarek and Mateusz Kowalczyk.
Michail Elgin and Alexandre Kudryavtsev are the defending champions but lost in the first round.
Dustin Brown and Lovro Zovko won the title, defeating Philipp Petzschner and Alexander Waske 6–4, 7–6(7–4) in the final.
Matthias Bachinger and Simon Stadler were the defending champions but Bachinger decided not to participate.
Stadler plays alongside Travis Rettenmaier, losing in the first round.
Laurynas Grigelis and Uladzimir Ignatik won the title 7–5, 4–6, [10–5] in the final against Tomasz Bednarek and Olivier Charroin.
Tomasz Bednarek and Andreas Siljeström were the defending champions but Siljeström decided not to participate.
Bednarek paired up with Olivier Charroin.
Laurynas Grigelis and Rameez Junaid won the title, defeating Stéphane Robert and Laurent Rochette 1–6, 6–2, [10–6] in the final.
Jérémy Chardy and Łukasz Kubot were the defending champions, but decided not to participate.
Facundo Bagnis and Thomaz Bellucci won the title, defeating Tomasz Bednarek and Mateusz Kowalczyk in the final, 2–6, 6–4, [11–9].
Lu Yen-hsun and Danai Udomchoke were the defending champions, but lost in the quarterfinals to Jamie Murray and John Peers.
Murray and Peers went on to win the title, defeating Tomasz Bednarek and Johan Brunström in the final, 6–3, 3–6, [10–6].
Tomasz Bednarek and Jerzy Janowicz were the defending champions but decided Janowicz not to participate.
Bednarek partnered with Filip Polášek, but lost in the first round.
Dudi Sela and Jimmy Wang were the defending champions, but decided not to compete.
Jarkko Nieminen and Dmitry Tursunov were the defending champions, but Tursunov chose to play in Oeiras instead. Nieminen partnered up with Rameez Junaid but lost in the quarterfinals to Eric Butorac and Raven Klaasen.
Andre Begemann and Martin Emmrich were the defending champions, but Begemann chose not to participate this year. Emmrich played alongside Christopher Kas, but lost in the final to Santiago González and Scott Lipsky, 5–7, 6–4, [3–10].
Tomasz Bednarek and Mateusz Kowalczyk were the two-time defending champions, but Bednarek did not participate that year. Kowalczyk played alongside Artem Sitak and they lost in the First Round to Adil Shamasdin and Franko Škugor.
Gero Kretschmer and Alexander Satschko were the defending champions, but they did not participate that year.
Radu Albot and Adam Pavlásek won the title, defeating Tomasz Bednarek and Henri Kontinen in the final, 7–5, 2–6, [10–8].
Johan Brunström and Raven Klaasen were the defending champions, but Klaasen chose not to participate. Brunström plays alongside Philipp Oswald, but they lost in the first round to Tomasz Bednarek and André Sá.
Mariusz Fyrstenberg and Marcin Matkowski won the title, defeating Marin Draganja and Henri Kontinen in the final, 6–7(3–7), 6–3, [10–8].
Andrej Martin and Hans Podlipnik were the defending champions but chose to participate with different partners. Martin chose to participate with Tomasz Bednarek, while Podlipnik chose to partner with Lukáš Dlouhý. Martin and Podlipnik faced each other in the semifinals, with Podlipnik advancing to the final. Podlipnik failed to defend his title, losing to Sander Arends and Tristan-Samuel Weissborn 7–6(10–8), 6–7(4–7), [10–5] in the final.
Marcelo Demoliner and Fabrício Neis were the defending champions but chose not to defend their title.
Jeevan Nedunchezhiyan and Franko Škugor were the defending champions but chose not to defend their title.
This was the first edition of the tournament.
Marco Cecchinato and Matteo Donati were the defending champions but chose not to defend their title.
Tomasz Bednarek and Nikola Mektić were the defending champions but chose not to defend their title.