Oliver Marach and Michal Mertiňák were the defending champions, but did not compete together that year.
Marach partnered with Łukasz Kubot, but lost in the final to František Čermák and Mertiňák.
Mertiňák partnered with Čermák and won the final 4–6, 6–4, [10–7].
Bob Bryan and Mike Bryan were the defending champions, but lost in the semifinals against Lukáš Dlouhý and Leander Paes.
František Čermák and Michal Mertiňák were the defending champions, but chose not to participate that year, competing in Dubai instead.
Lukáš Dlouhý and Leander Paes were the defending champions, but lost in the first round to Martin Damm and Filip Polášek 6–7(7–9), 6–3, 6–4.
The 2011 Serbia Open was a men's tennis tournament played on outdoor clay courts. The third edition of the event, hosted by current Serbian player Novak Djokovic, was part of the ATP World Tour 250 series of the 2011 ATP World Tour. It took place at the Tennis Center Novak complex in Belgrade, Serbia from April 23 through May 1. Sam Querrey was the defending champion.
Santiago González and Travis Rettenmaier were the defending champions, but Rettenmaier chose to play in the Estoril Open.
González teamed up with Igor Zelenay of Slovakia, but they were eliminated by František Čermák and Filip Polášek who eventually won the title; beating in the final the Austrian pair Oliver Marach and Alexander Peya 7–5, 6–2.
The men's doubles of the 2011 Strabag Prague Open tournament was played on clay in Prague, Czech Republic.
Marc López and David Marrero were the defending champions, but lost in the first round to Andreas Beck and Christopher Kas.
Johan Brunström and Jarkko Nieminen were the defending champions, but Nieminen decided not to participate.
Brunström played alongside Adil Shamasdin, but they were eliminated in the semifinals by Kas and Peya.
Dustin Brown and Rogier Wassen were the defending champions, but decided not to participate together.
Brown plays alongside Michael Kohlmann, while Wassen partners up with Lukáš Rosol. Brown lost in the first round to Santiago Giraldo and Pere Riba and Wassen lost in the second round to Franco Ferreiro and André Sá.
Eric Butorac and Jean-Julien Rojer were the defending champions but were eliminated in the second round by Robin Haase and Viktor Troicki. Andy Murray and Jamie Murray won the title after beating František Čermák and Filip Polášek 6–1, 6–4 in the final.
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.
Santiago González and Scott Lipsky were the defending champions but decided not to participate together.
González partnered up with Christopher Kas but lost in the Quarterfinals, while Lipsky played alongside Rajeev Ram but lost in the first round.
Mariusz Fyrstenberg and Marcin Matkowski won the tournament defeating Marcel Granollers and Marc López in the final.
Simone Bolelli and Horacio Zeballos were the defending champions but decided not to participate. Bolelli entered the Estoril Open instead, while Zeballos competes in the Tunis Open.
František Čermák and Filip Polášek won the tournament defeating Xavier Malisse and Dick Norman 6–4, 7–5 in the final.
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.
Filip Polášek and Lukáš Rosol were the defending champions but decided not to participate together. Polášek partnered up Julian Knowle, while Rosol decided not to participate.
Christopher Kas and Philipp Kohlschreiber won the title winning against Knowle and Polášek by 7–5, 6–4.
Oliver Marach and Alexander Peya were the defending champions but Peya decided not to participate.
Marach played alongside Daniele Bracciali but they lost in the first round to Jerzy Janowicz and Albert Ramos.
Colin Fleming and Bruno Soares won the title, defeating Johan Brunström and Frederik Nielsen in the final, 7–6(7–1), 7–6(7–2).
František Čermák and Filip Polášek were the defending champions, but decided not to participate together.
Čermak played alongside Michal Mertiňák, but lost in the first round to Marcos Baghdatis and Eric Butorac, while Polášek teamed up with Julian Knowle and lost in the semifinals to Jarkko Nieminen and Dmitry Tursunov.
Nieminen and Tursunov went on to win the title, defeating Baghdatis and Butorac in the final, 6–1, 6–4.
František Čermák and Julian Knowle were the defending champions but decided not to participate together. Knowle teamed up with Leonardo Mayer, but lost in the first round to Daniel Brands and Michal Mertiňák.
Čermák played alongside Lukáš Dlouhý, but lost in the final to Martin Emmrich and Christopher Kas, 4–6, 3–6.
Bob Bryan and Mike Bryan were the defending champions, but lost in the semifinals to Leander Paes and Radek Štěpánek. The loss ended the Bryan brothers' bid to win a calendar grand slam.
Oliver Marach 
František Čermák 
Filip Polášek 
