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Arnaud Clément and Michaël Llodra were the defending champion, but lost in the final 6–2, 4–6, [5–10], against Colin Fleming and Ken Skupski.
Michail Elgin and Nikolaus Moser were the defending champions, but they chose to not compete together this time.
Moser played with Alexander Peya. They lost to Andis Juška and Alexey Kedryuk in the quarterfinals.
Elgin partnered with Alexandre Kudryavtsev and they reached the final, but lost 3–6, 6–7(10) to Colin Fleming and Ross Hutchins.
Marcel Granollers and Santiago Ventura were the defending champions but decided not to participate.
Mahesh Bhupathi and Leander Paes clinched the title. They defeated Robin Haase and David Martin 6–2, 6–7(3–7), [10–7] in the final.
Colin Fleming and Ken Skupski were the defending champions but decided not to participate together.
Skupski played alongside Carsten Ball. However, they lost to Daniel Cox and James Ward in the quarterfinals.
Fleming partnered up with Ross Hutchins. They won the title, defeating Dustin Brown and Martin Emmrich 4–6, 7–6(8), [13–11] in the final.
Dustin Brown and Rogier Wassen were the defending champions, but decided not to participate.
Jamie Murray and André Sá won the title, defeating Lukáš Dlouhý and Marcelo Melo 6–4, 7–6(9–7) in the final.
Daniele Bracciali and Potito Starace were the defending champions, but were eliminated in the quarterfinals.
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.
Stephen Huss and Ross Hutchins were the defending champions but decided not to participate. However Huss chose not to compete and Hutchins teamed up with Colin Fleming. The French pair formed by Nicolas Mahut and Édouard Roger-Vasselin beat in the final the 3rd seeded Paul Hanley and Jamie Murray with the score 6–4, 7–6(7–4).
Colin Fleming and Ross Hutchins were the defending champions but they were defeated in the quarterfinals by Eric Butorac and Rik de Voest.
Bob Bryan and Mike Bryan were the defending champions but lost in the final to top seeds Max Mirnyi and Daniel Nestor, 6–3, 6–4.
Jonathan Erlich and Andy Ram were the defending champions but they lost in the Quarterfinals to the eventual Champions Colin Fleming and Ross Hutchins who defeated Jamie Delgado and Ken Skupski in an all British final, 6–4, 6–3.
Bob and Mike Bryan were the defending champions, but lost in the semifinals to Jonathan Marray and Frederik Nielsen.
Jürgen Melzer and Philipp Petzschner were the defending champions, but lost in the second round to Jamie Delgado and Ken Skupski. Melzer and Petzschner needed a wildcard to compete because they forgot to sign up.
In the doubles competition of the 2012 St. Petersburg Open tennis tournament, Colin Fleming and Ross Hutchins were the defending champions, but lost in the quarterfinals to Martin Kližan and Filip Polášek.
In the final, first seeds Rajeev Ram and Nenad Zimonjić prevailed over the Slovak team of Lukáš Lacko and Igor Zelenay by the score of 6–2, 4–6, [10–6].
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.
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].
Rohan Bopanna and Colin Fleming were the defending champions, but Bopanna chose not to participate. Fleming played alongside Ross Hutchins, but lost in the quarterfinals to Marin Draganja and Mate Pavić.
Julien Benneteau and Édouard Roger-Vasselin won the title, defeating Paul Hanley and Jonathan Marray in the final, 4–6, 7–6(8–6), [13–11].
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.