Rameez Junaid and Simon Stadler were the defending champions, but they did not participate that year.
Gero Kretschmer and Alexander Satschko won the title, defeating Henri Kontinen and Mateusz Kowalczyk in the final, 6–3, 6–3.
Philipp Marx and Florin Mergea were the defending champions but decided not to participate together.
Marx partnered with Dustin Brown but lost to Michael Berrer and Franko Škugor in the quarterfinal.
Mergea partnered with Oliver Marach and won the title over Nicholas Monroe and Simon Stadler 6–4, 3–6, [10–7].
Martin Kližan and David Marrero were the defending champions, but chose not to participate.
František Čermák and Lukáš Rosol won the title, defeating Dušan Lajović and Franko Škugor in the final, 6–4, 7–6(7–5).
Oliver Marach and Florin Mergea were the defending champions. Mergea did not participate this year, Marach partnered fellow Austrian Philipp Oswald.
This was the first edition of the tournament.
Sander Arends and Adam Majchrowicz were the defending champions but chose not to defend their title.
Oliver Marach and Philipp Oswald were the defending champions but chose not to defend their title.
The 2017 Swiss Open Gstaad was a men's tennis tournament played on outdoor clay courts. It was the 50th edition of the Swiss Open, and part of the ATP World Tour 250 Series of the 2017 ATP World Tour. It took place at the Roy Emerson Arena in Gstaad, Switzerland, from 24 July through 30 July 2017.
Łukasz Kubot and Marcelo Melo were the defending champions, but they were defeated in the second round by Jonathan Erlich and Marcin Matkowski.
This was the first edition of the tournament.
Guillermo Durán and Andrés Molteni were the defending champions, but Durán chose not to participate and Molteni chose to compete in Båstad instead.
Oliver Marach and Mate Pavić were the defending champions but lost in the first round to Damir Džumhur and Dušan Lajović.
Nikola Mektić and Alexander Peya were the defending champions, but chose not to participate this year.
Bob and Mike Bryan were the defending champions, but chose not to participate this year.
Nikola Mektić and Alexander Peya were the defending champions, but Peya could not participate due to injury. Mektić played alongside Franko Škugor but lost in the second round to Wesley Koolhof and Stefanos Tsitsipas.
Juan Sebastián Cabal and Robert Farah were the defending champions and successfully defended their title, defeating Raven Klaasen and Michael Venus in the final, 6–1, 6–3.
Philipp Petzschner and Tim Pütz were the defending champions, but Petzschner chose not to participate this year. Pütz played alongside Jan-Lennard Struff, but lost in the first round to John Peers and Bruno Soares.
Roman Jebavý and Andrés Molteni were the defending champions, but chose not to participate together. Jebavý played alongside Matwé Middelkoop but lost in the semifinals to Philipp Oswald and Filip Polášek. Molteni partnered Leonardo Mayer but lost in the first round to Oliver Marach and Jürgen Melzer.
Philipp Oswald and Filip Polášek were the defending champions, but chose to participate with different partners. Oswald partnered Marcus Daniell and lost in the quarterfinals to Marcel Granollers and Horacio Zeballos. Polášek partnered Ivan Dodig and lost in the semifinals to Austin Krajicek and Franko Škugor.
Oliver Marach and Mate Pavić were the two-time defending champions from when the event was last held in 2019 but lost in the first round to Tomislav Brkić and Nikola Ćaćić.
Oliver Marach 
Jonathan Eysseric 
Franko Škugor 
