| Doubles | |
|---|---|
| 2012 Zucchetti Kos Tennis Cup | |
| Champions |  Lukáš Dlouhý  Michal Mertiňák |
| Runners-up |  Philipp Marx  Florin Mergea |
| Score | 5–7, 7–5, [10–7] |
Julian Knowle and Michael Kohlmann were the defending champions, but decided not to participate.
Lukáš Dlouhý and Michal Mertiňák won the title, defeating Philipp Marx and Florin Mergea 5–7, 7–5, [10–7] in the final.
Dick Norman / Alexander Waske (first round)
Nicholas Monroe / Simon Stadler (quarterfinals)
Johan Brunström / 
Colin Ebelthite (semifinals) Lukáš Dlouhý / Michal Mertiňák (champions)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | D Norman A Waske | 1 | 6 | [8] | |||||||||||||||||||||||
| M Emmrich R Junaid | 6 | 3 | [10] | M Emmrich R Junaid | 3 | 6 | [4] | ||||||||||||||||||||
| V Hănescu A Ungur | 2 | 6 | [10] | V Hănescu A Ungur | 6 | 2 | [10] | ||||||||||||||||||||
 T Bednarek  O Charroin | 6 | 2 | [7] | V Hănescu A Ungur | 6 | 2 | [2] | ||||||||||||||||||||
| 4 | L Dlouhý M Mertiňák | 6 | 6 | 4 | L Dlouhý M Mertiňák | 3 | 6 | [10] | |||||||||||||||||||
| Alt |  A Bury  A Kuznetsov | 1 | 2 | 4 | L Dlouhý M Mertiňák | 6 | 712 | ||||||||||||||||||||
| WC |  G Naso M Navarra | 7 | 1 | [8] | S Ianni  P Raja | 2 | 610 | ||||||||||||||||||||
| S Ianni P Raja | 5 | 6 | [10] | 4 | L Dlouhý M Mertiňák | 5 | 7 | [10] | |||||||||||||||||||
| WC | R Bonadio  N Massú | 3 | 2 | P Marx F Mergea | 7 | 5 | [7] | ||||||||||||||||||||
| A Begemann I Zelenay | 6 | 6 | A Begemann I Zelenay | 4 | 7 | [9] | |||||||||||||||||||||
 M Alund  R Dutra da Silva | 1 | 1 | 3 | J Brunström C Ebelthite | 6 | 5 | [11] | ||||||||||||||||||||
| 3 | J Brunström C Ebelthite | 6 | 6 | 3 | J Brunström C Ebelthite | 3 | 2 | ||||||||||||||||||||
A Giannessi  J Sousa | 65 | 4 | P Marx F Mergea | 6 | 6 | ||||||||||||||||||||||
| P Marx F Mergea | 77 | 6 | P Marx F Mergea | 6 | 61 | [10] | |||||||||||||||||||||
| WC | Simone Appio Mauro Commisso | 1 | 4 | 2 | N Monroe S Stadler | 2 | 77 | [6] | |||||||||||||||||||
| 2 | N Monroe S Stadler | 6 | 6 | ||||||||||||||||||||||||
Lukáš Dlouhý and Michal Mertiňák were the defending champions, but Dlouhy chose not to participate, and only Mertinak competed that year.
Mertinak partnered with Petr Pála, and won in the final 2–6, 6–3, [10–5], against Carlos Berlocq and Fabio Fognini.
Christopher Kas and Philipp Kohlschreiber were the defending champions, but Kohlschreiber chose not to compete that year.
Kas partnered with Mischa Zverev, but lost in the first round to František Čermák and Michal Mertiňák.
Bob Bryan and Mike Bryan were the defending champions, but lost in the semifinals against Lukáš Dlouhý and Leander Paes.
Jonas Björkman & Kevin Ullyett were the defending champions, but Björkman retired in 2008.
Ullyett teamed up with Bruno Soares, but they lost in the second round against František Čermák and Michal Mertiňák.
Daniel Nestor and Nenad Zimonjić won in the final 6–3, 6–4, against Marcel Granollers and Tommy Robredo.
With this win, Nestor completed a Career Golden Masters, having won all nine ATP Tour Masters 1000 events. He was the first player to do so.
Rik de Voest and Dmitry Tursunov were the defending champions, but chose not to participate that year.
Simon Aspelin and Paul Hanley won in the final 6–2, 6–3, against Lukáš Dlouhý and Leander Paes.
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.
Daniel Nestor and Nenad Zimonjić were the defending champions, but they lost to František Čermák and Michal Mertiňák 7–5, 6–2 in the first round.
Bob Bryan and Mike Bryan won in the final against Mahesh Bhupathi and Max Mirnyi, 6–3, 6–4.
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.
Daniel Nestor and Nenad Zimonjić were the defending champions, but lost to Mahesh Bhupathi and Max Mirnyi in the quarterfinals.
Bhupathi and Mirnyi won this tournament, by defeating Mark Knowles and Andy Ram 7–5, 7–5 in the final.
Sergiy Stakhovsky and Mikhail Youzhny were the defending champions, but chose not to compete due to Youzhny's injured left foot.
The first seeded Rohan Bopanna and Aisam-ul-Haq Qureshi defeated the unseeded pair Robin Haase and Milos Raonic with a score of 7–6(10–8), 3–6, [11–9].
Leoš Friedl and Filip Polášek were the defending champions, but Polášek decided to participate in Gstaad instead.
As a result, Friedl played alongside David Škoch, but they were eliminated by Čilić and L Zovko in the quarterfinals.
Fernando González and Martín Rodríguez were the defending champions, but did not participate this year.
James Cerretani and Philipp Marx were the defending champions, but chose not to compete.
Lukáš Dlouhý and Michal Mertiňák won the title, defeating Stefano Ianni and Matteo Viola 2–6, 7–6(7–3), [11–9] in the final.
Jan Hájek and Lukáš Lacko were the defending champions but lost in the semifinals to Philipp Marx and Florin Mergea.
Lukáš Dlouhý and Michail Elgin defeated Marx and Mergea 6–7(5–7), 6–2, [10–6] in the final.
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].
David Marrero and Fernando Verdasco were the defending champions but decided not to participate.
Simone Bolelli and Fabio Fognini won the title, defeating Nicholas Monroe and Simon Stadler in the final, 6–3, 6–2.
Dustin Brown and Paul Hanley were the defending champions, but they decided not to compete together this year.
Brown played alongside Christopher Kas and defeated Hanley and Lukáš Dlouhý in the first round.
Julian Knowle and Filip Polášek won the title, defeating Brown and Kas in the final, 6–3, 6–2.
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.
Lukáš Dlouhý and Michal Mertiňák were the defending champions, but Dlouhý chose not to compete. Mertiňák played with Mikhail Elgin but lost to eventual runners-up Daniele Bracciali and Florin Mergea. Nicholas Monroe and Simon Stadler won the title 6–2, 6–4 over Bracciali and Mergea.
Lukáš Dlouhý and Michail Elgin were the defending champions but Dlouhy chose not to compete.
Elgin partnered with Michal Mertiňák and was defeated by losing finalist Gero Kretschmer and Jan-Lennard Struff, who in turn lost to Henri Kontinen and Andreas Siljeström.