Pablo Cuevas and Marcel Granollers were the defending champions, but Granollers chose to compete in Rotterdam.
Cuevas played with Eduardo Schwank, but lost to Fabio Fognini and David Marrero in the quarterfinals.
Marcelo Melo and Bruno Soares won the title, defeating Pablo Andújar and Daniel Gimeno-Traver 7–6(4), 6–3 in the final.
Robert Lindstedt and Horia Tecău successfully defended their title after defeating Colin Fleming and Igor Zelenay 6–2, 6–1 in the final.
Oliver Marach and Santiago Ventura were the defending champions, but decided not to participate. Marach competed in the Serbia Open instead.
Simone Bolelli of Italy and Horacio Zeballos of Argentina defeated in the final the German couple Andreas Beck and Christopher Kas 7–6(3), 6–4 to win the title.
Marcel Granollers and Tommy Robredo were the defending champions but decided not to participate.
Bob and Mike Bryan were the three-time defending champions, but lost to the unseeded pair Leander Paes and Radek Štěpánek, 7–6(7–1), 6–2, in the final. With this win Paes completed the career grand slam in Men's doubles.
Max Mirnyi and Daniel Nestor were the defending champions and top seeds, and Nestor came into the event as the two-time defending champion.
They successfully defended their title by defeating Bob Bryan and Mike Bryan 6–4, 6–4 in the final.
Oliver Marach and Alexander Peya were the defending champions but decided not to participate together.
Marach was to partner Daniele Bracciali but withdrew before the tournament, while Peya played alongside Nenad Zimonjić, but lost in the quarterfinals.
David Marrero and Fernando Verdasco won the title by beating Rogério Dutra da Silva and Daniel Muñoz de la Nava 6–4, 6–3 in the final.
Eric Butorac and Jean-Julien Rojer were the defending champions but both decided to participate at the 2012 PTT Thailand Open instead.
Alexander Peya and Bruno Soares prevailed in the final against Colin Fleming and Ross Hutchins, 5–7, 7–5, [10–7].
Bob Bryan and Mike Bryan were the defending champions but decided not to participate.
Alexander Peya and Bruno Soares won the title, defeating David Marrero and Fernando Verdasco in the final, 6–3, 6–2.
Eric Butorac and Bruno Soares were the defending champions but Butorac decided not to participate this year.
Soares played alongside Alexander Peya and successfully defended the title, defeating František Čermák and Michal Mertiňák in the final 6–7(5–7), 6–2, [10–7].
Max Mirnyi and Daniel Nestor were the defending champions, but chose not to compete together. Mirnyi competed with Horia Tecău, but lost in the second round to Michaël Llodra and Nicolas Mahut, while Nestor competed with Robert Lindstedt, losing in the second round to Jonathan Dasnières de Veigy and Florent Serra.
Colin Fleming and Ross Hutchins were the defending champions, but could not compete together this year due to Hutchins being out with ongoing illness.
Fleming competed alongside fellow Brit Jonathan Marray but lost in the final against top seeds Alexander Peya and Bruno Soares, 6–3, 3–6, [8–10].
Colin Fleming and Bruno Soares were the defending champions but chose not to compete together. Fleming paired with Ross Hutchins, but lost in the first round to Andre Begemann and Martin Emmrich. Soares paired with Alexander Peya, but lost in the final to Julian Knowle and Marcelo Melo, 6–4, 3–6, [5–10].
Paolo Lorenzi and Potito Starace were the defending champions, but decided not to participate together. Lorenzi played alongside Filippo Volandri, but lost in the quarterfinals to Oliver Marach and Florin Mergea. Starace teamed up with Daniele Bracciali, but lost in the quarterfinals to Marcel Granollers and Marc López.
Marach and Mergea won the title, defeating Juan Sebastián Cabal and Robert Farah in the final, 6–3, 6–4.
Martin Emmrich and Christopher Kas were the defending champions, but chose not to participate together. Emmrich played alongside Lukáš Rosol, but lost to Daniele Bracciali and Andrey Golubev in the semifinals. Kas teamed up with Philipp Kohlschreiber, but lost to Henri Kontinen and Jarkko Nieminen in the quarterfinals.
Kontinen and Nieminen won the title, defeating Bracciali and Golubev in the final, 6–1, 6–4.
Juan Sebastián Cabal and Robert Farah were defending champions, but lost to Martin Kližan and Philipp Oswald in the semifinals.
Kližan and Oswald went on to win the title, defeating Pablo Andújar and Oliver Marach in the final, 7–6(7–3), 6–4.
Pierre-Hugues Herbert and Nicolas Mahut were the defending champions, but lost in the semifinals to Jamie Murray and Bruno Soares.
Elias and Mikael Ymer were the defending champions, but lost in the first round to Marc López and Fernando Verdasco.
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 Peya could not participate due to injury. Mektić played alongside Franko Škugor but lost in the second round to Wesley Koolhof and Stefanos Tsitsipas.
Colin Fleming 
Bruno Soares 
Johan Brunström 
Frederik Nielsen 
