| Men's doubles | |
|---|---|
| 2011 Western & Southern Open | |
| Champions |  Mahesh Bhupathi Leander Paes |
| Runners-up |  Michaël Llodra  Nenad Zimonjić |
| Final score | 7–6(7–4), 7–6(7–2) |
Bob and Mike Bryan were the defending champions, but lost to Mahesh Bhupathi and Leander Paes in the semifinals.
Mahesh Bhupathi and Leander Paes won the title, defeating Michaël Llodra and Nenad Zimonjić 7–6(7–4), 7–6(7–2) in the final.
Bob Bryan / Mike Bryan (semifinals)
Max Mirnyi / 
Daniel Nestor (second round) Mahesh Bhupathi / Leander Paes (champions) Michaël Llodra / Nenad Zimonjić (final) Rohan Bopanna / 
Aisam-ul-Haq Qureshi (quarterfinals)
Robert Lindstedt / 
Horia Tecău (second round)
Mariusz Fyrstenberg / Marcin Matkowski (quarterfinals)
Jürgen Melzer / 
Philipp Petzschner (second round)| Semifinals | Final | ||||||||||||
| 1 | Bob Bryan Mike Bryan | 6 | 62 | [7] | |||||||||
| 3 | Mahesh Bhupathi Leander Paes | 1 | 77 | [10] | |||||||||
| 3 | Mahesh Bhupathi Leander Paes | 77 | 77 | ||||||||||
| 4 | Michaël Llodra Nenad Zimonjić | 64 | 62 | ||||||||||
| 4 | Michaël Llodra Nenad Zimonjić | 4 | 6 | [10] | |||||||||
 Juan Sebastián Cabal Florian Mayer | 6 | 3 | [4] | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | B Bryan M Bryan | 6 | 4 | [10] | |||||||||||||||||||||||
 F López F Verdasco | 64 | 3 | Alt |  L Dlouhý  A Dolgopolov | 2 | 6 | [1] | ||||||||||||||||||||
| Alt | L Dlouhý A Dolgopolov | 77 | 6 | 1 | B Bryan M Bryan | 77 | 77 | ||||||||||||||||||||
S Lipsky  B Soares | 6 | 7 | 7 | M Fyrstenberg M Matkowski | 65 | 63 | |||||||||||||||||||||
 M Knowles  X Malisse | 4 | 5 | S Lipsky B Soares | 3 | 65 | ||||||||||||||||||||||
| 7 | M Fyrstenberg M Matkowski | 6 | 77 | ||||||||||||||||||||||||
| 1 | B Bryan M Bryan | 6 | 62 | [7] | |||||||||||||||||||||||
| 3 | M Bhupathi L Paes | 1 | 77 | [10] | |||||||||||||||||||||||
| 3 | M Bhupathi L Paes | 6 | 6 | ||||||||||||||||||||||||
| J Tipsarević V Troicki | 64 | 77 | [5] | M López R Nadal | 4 | 2 | |||||||||||||||||||||
| M López R Nadal | 77 | 62 | [10] | 3 | M Bhupathi L Paes | w/o | |||||||||||||||||||||
| T Berdych R Štěpánek | 6 | 6 | T Berdych R Štěpánek | ||||||||||||||||||||||||
| N Almagro P Andújar | 2 | 3 | T Berdych R Štěpánek | 6 | 63 | [10] | |||||||||||||||||||||
| 6 | R Lindstedt H Tecău | 2 | 77 | [6] | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | R Bopanna A-u-H Qureshi | 6 | 5 | [10] | |||||||||||||||||||||||
 JI Chela J Mónaco | 6 | 3 | [10] | JI Chela J Mónaco | 3 | 7 | [4] | ||||||||||||||||||||
| O Marach D Norman | 4 | 6 | [6] | 5 | R Bopanna A-u-H Qureshi | 3 | 2 | ||||||||||||||||||||
| G Monfils G Simon | 1 | 1 | 4 | M Llodra N Zimonjić | 6 | 6 | |||||||||||||||||||||
E Butorac  J-J Rojer | 6 | 6 | E Butorac J-J Rojer | 7 | 4 | [5] | |||||||||||||||||||||
| 4 | M Llodra N Zimonjić | 5 | 6 | [10] | |||||||||||||||||||||||
| 4 | M Llodra N Zimonjić | 4 | 6 | [10] | |||||||||||||||||||||||
| JS Cabal F Mayer | 6 | 3 | [4] | ||||||||||||||||||||||||
| 8 | J Melzer P Petzschner | 5 | 65 | ||||||||||||||||||||||||
S Stakhovsky  M Youzhny | 5 | 67 | JS Cabal F Mayer | 7 | 77 | ||||||||||||||||||||||
| JS Cabal F Mayer | 7 | 79 | JS Cabal F Mayer | 1 | 7 | [10] | |||||||||||||||||||||
| WC | J Blake J Isner | 6 | 4 | [7] | WC | A Bogomolov Jr. S Johnson | 6 | 5 | [7] | ||||||||||||||||||
| WC | A Bogomolov Jr. S Johnson | 2 | 6 | [10] | WC | A Bogomolov Jr. S Johnson | 7 | 66 | [10] | ||||||||||||||||||
| 2 | M Mirnyi D Nestor | 5 | 78 | [7] | |||||||||||||||||||||||
Bob Bryan and Mike Bryan were the defending champions, but lost in the quarterfinals to Mahesh Bhupathi and Mark Knowles.
Martin Damm & Leander Paes were the defending champions. They were both present but did not compete together.
Damm partnered with Pavel Vízner, but lost in the first round to Eric Butorac and Andy Murray.
Paes partnered with Paul Hanley, but lost in the quarterfinals to Daniel Nestor and Nenad Zimonjić.
Bob Bryan and Mike Bryan were the defending champions, and won in the final 6–2, 6–2, against Mahesh Bhupathi and Mark Knowles.
Mahesh Bhupathi and Leander Paes were the defending champions. They were both present but did not compete together.
Bhupathi partnered with Martin Damm, but lost in the quarterfinals to Wayne Black and Kevin Ullyett.
Paes partnered with Nenad Zimonjić, but lost in the second round to Jonathan Erlich and Andy Ram.
Max Mirnyi and Andy Ram were the defending champions. Both were present, but chose not to compete together this year.
Ram partnered with Michaël Llodra, but they lost to Feliciano López and Fernando Verdasco in the first round.
Mirnyi partnered with Mahesh Bhupathi, reaching the final, where they were defeated by Lukáš Dlouhý and Leander Paes.
Bob and Mike Bryan, the two-time defending champions in this event, successfully defended their title. They defeated Mahesh Bhupathi and Leander Paes 6–3, 6–4 in the final.
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.
Lukáš Dlouhý and Leander Paes were the defending champions, but chose not to participate together.
Dlouhý competed together with Paul Hanley, however they lost to Jürgen Melzer and Philipp Petzschner in the second round.
Paes partnered up with Mahesh Bhupathi and they won this tournament, defeating Max Mirnyi and Daniel Nestor 6–7(5), 6–2, [10–5] in the final.
Daniel Nestor and Nenad Zimonjić were the defending champions, but decided not to participate together. Nestor partnered Max Mirnyi, while Zimonjić teamed up with Michaël Llodra. Mirnyi and Nestor defeated Zimonjić and Llodra in the semifinals, 7–6(7–4), 7–6(7–5). In the final, they won against Juan Sebastián Cabal and Eduardo Schwank 7–6(7–3), 3–6, 6–4 for their first Grand Slam doubles title as a team.
Novak Djokovic and Jonathan Erlich were the defending champions, but Djokovic decided not to compete, and Erlich chose to play at Halle instead.
Bob and Mike Bryan were the defending champions and they reached the final. Michaël Llodra and Nenad Zimonjić defeated them 6–4, 6–7(5–7), [10–5] and won the title.
Bob Bryan and Mike Bryan were the defending champions, but Michaël Llodra and Nenad Zimonjić eliminated them in the semifinals.
Jürgen Melzer and Leander Paes were the defending champions but decided not to participate together.
Melzer partnered up with Philipp Petzschner, while Paes played alongside Mahesh Bhupathi. However, neither couple were able to retain the title.
In the final, Max Mirnyi and Daniel Nestor won the title beating Michaël Llodra and Nenad Zimonjić 3–6, 6–1, [12–10].
Mahesh Bhupathi and Max Mirnyi were the defending champions, but decided not to participate together.
Mahesh Bhupathi and Leander Paes were the defending champions, but this year Bhupathi played with Rohan Bopanna and Paes, who also won the tournament in 2010, played with Radek Štěpánek.
Bhupathi and Bopanna were defeated in the semifinals by Max Mirnyi and Daniel Nestor, who were then defeated in the final by Paes and Štěpánek 3–6, 6–1, [10–8].
Michaël Llodra and Nenad Zimonjić were the defending champions, but Llodra chose not to compete this year.
Zimonjić played alongside Paul Hanley, but they lost to Bob and Mike Bryan in the quarterfinals, who won the tournament in the end against Marcel Granollers and Marc López 6–1, 4–6, [12–10].
Leander Paes and Radek Štěpánek were the defending champions, but did not compete as a team this year.
Štěpánek did not enter the tournament, citing an injury, while Paes played alongside Michaël Llodra, but lost in the second round to Grigor Dimitrov and Frederik Nielsen.
Aisam-ul-Haq Qureshi and Jean-Julien Rojer won the title, defeating Mariusz Fyrstenberg and Marcin Matkowski in the final 6–4, 6–1.
Wayne Black and Kevin Ullyett were the defending champions, but lost in second round to Mario Ančić and Ivan Ljubičić.
Mark Knowles and Daniel Nestor were the defending champions, but lost in semifinals to Jonas Björkman and Max Mirnyi.
Mahesh Bhupathi and Max Mirnyi were the defending champions, but played this tournament with different partners. Bhupathi teamed up with Todd Woodbridge while Mirnyi teamed up with Jonas Björkman. Both pairs were eliminated in semifinals.