Marcus Daniell and Horia Tecău were the defending champions, but they don't participate together this year.
Daniell partnered with Artem Sitak, but they were eliminated in the first round, by František Čermák and Christopher Kas.
Tecău played alongside Robert Lindstedt. However, they withdrew from the tournament before their first round match, against Jose Statham and Mikal Statham.
2nd seeds Marcel Granollers and Tommy Robredo won this tournament. Spanish pair defeated Johan Brunström and Stephen Huss 6–4, 7–6(8–6) in the final.
Philipp Oswald and Mate Pavić were the defending champions, but Oswald chose not to compete. Mate Pavić partnered with Marin Draganja, but they lost in the semifinals.
Érik Chvojka and Peter Polansky were the defending champions, but Polansky decided not to participate this year. Chvojka partnered with Lukáš Lacko, but lost in the first round to Philip Bester and Brayden Schnur.
Jonathan Erlich and Andy Ram were the defending champions, but decided not to participate this year.
Austin Krajicek and Rhyne Williams were the defending champions, but they did not compete.
Bradley Klahn and Michael Venus were the defending champions, however Venus chose not to participate. Klahn partnered with Matt Reid and won the title, defeating Marcus Daniell and Artem Sitak in the final, 4–6, 6–4, [10–7].
Chase Buchanan and Blaž Rola were the defending champions, but both players chose not to participate.
Lu Yen-hsun and Jonathan Marray were the defending champions, but Lu chose not to compete this year and Marray chose to compete in Brisbane instead.
Oliver Marach and Fabrice Martin won the title, defeating Austin Krajicek and Benoît Paire in the final, 6–3, 7–5.
Ivan Dodig and Marcelo Melo were the defending champions, but chose to compete in Dubai and São Paulo, respectively, instead.
Treat Huey and Max Mirnyi won the title, defeating Philipp Petzschner and Alexander Peya in the final, 7–6(7–5), 6–3.
Austin Krajicek and Rajeev Ram were the defending champions but chose not to participate.
Guillermo Durán and Horacio Zeballos were the defending champions but chose not to participate.
Austin Krajicek and Rajeev Ram were the defending champions, but only Krajicek chose to defend his title partnering Alejandro Falla. Krajicek and Falla withdrew before playing a match.
Rohan Bopanna and Florin Mergea were the defending champions, but Bopanna chose to compete in s'Hertogenbosch instead. Mergea played alongside Horia Tecău, but lost in the semifinals to Marcus Daniell and Artem Sitak.
Jérémy Chardy and Łukasz Kubot were the defending champions, but they chose to compete in Hamburg instead.
Marcus Daniell and Artem Sitak were the defending champions but chose not to defend their title.
Johan Brunström and Andreas Siljeström were the defending champions but chose not to defend their title.
Purav Raja and Divij Sharan were the defending champions but chose not to defend their title.
Marcus Daniell and Artem Sitak were the defending champions, but chose not to participate together. Daniell played alongside Marcelo Demoliner, but lost in the quarterfinals to Bob and Mike Bryan. Sitak teamed up with Nicholas Monroe, but lost in the quarterfinals to Oliver Marach and Mate Pavić.
Luke Bambridge and Jonny O'Mara were the defending champions but only Bambridge chose to defend his title, partnering Marcus Daniell. Bambridge lost in the semifinals to Marcel Granollers and Ben McLachlan.
Jonathan Erlich and Artem Sitak were the defending champions, but lost in the first round to Marcel Granollers and Sergiy Stakhovsky.
Brydan Klein 
Dane Propoggia 
Marcus Daniell 
