| Doubles | |
|---|---|
| 2006 PBZ Zagreb Indoors | |
| Champions |  Jaroslav Levinský  Michal Mertiňák |
| Runners-up |  Davide Sanguinetti Andreas Seppi |
| Final score | 7–6(9–7), 6–1 |
The event was being held for the first time since 1997.
Jaroslav Levinský and Michal Mertiňák won the title, defeating Davide Sanguinetti and Andreas Seppi 7–6(9–7), 6–1 in the final.
Petr Pála / Pavel Vízner (quarterfinals) Jaroslav Levinský / Michal Mertiňák (champions)
David Ferrer / Feliciano López (first round) Radek Štěpánek / 
Mikhail Youzhny (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | P Pála P Vízner | 7 | 67 | [10] | |||||||||||||||||||||||
| R Vik T Zíb | 5 | 79 | [5] | 1 | P Pála P Vízner | 0 | 1 | ||||||||||||||||||||
 I Karlović L Zovko | 6 | 6 | I Karlović L Zovko | 6 | 6 | ||||||||||||||||||||||
| L Azzaro P Starace | 4 | 3 | I Karlović L Zovko | 4 | 77 | [7] | |||||||||||||||||||||
| 4 | R Štěpánek M Youzhny | 77 | 3 | [6] | D Sanguinetti A Seppi | 6 | 62 | [10] | |||||||||||||||||||
| I Minář J Minář | 65 | 6 | [10] | I Minář J Minář | 3 | 4 | |||||||||||||||||||||
| WC | N Mektić A Šančić | 2 | 5 | D Sanguinetti A Seppi | 6 | 6 | |||||||||||||||||||||
| D Sanguinetti A Seppi | 6 | 7 | D Sanguinetti A Seppi | 67 | 1 | ||||||||||||||||||||||
 N Djokovic D Tursunov | 6 | 77 | 2 | J Levinský M Mertiňák | 79 | 6 | |||||||||||||||||||||
| Alt | S Bolelli M Dell'Acqua | 3 | 62 | N Djokovic D Tursunov | 4 | 66 | |||||||||||||||||||||
| D Bracciali G Galimberti | 77 | 4 | [10] | D Bracciali G Galimberti | 6 | 78 | |||||||||||||||||||||
| 3 | D Ferrer F López | 63 | 6 | [7] | D Bracciali G Galimberti | 3 | 77 | [7] | |||||||||||||||||||
| WC | M Čilić I Ljubičić | 64 | 77 | [7] | 2 | J Levinský M Mertiňák | 6 | 64 | [10] | ||||||||||||||||||
 Y Allegro S Wawrinka | 77 | 63 | [10] | Y Allegro S Wawrinka | |||||||||||||||||||||||
| T Cakl I Zelenay | 66 | 3 | 2 | J Levinský M Mertiňák | w/o | ||||||||||||||||||||||
| 2 | J Levinský M Mertiňák | 78 | 6 | ||||||||||||||||||||||||
Xavier Malisse and Dick Norman were the defending champions, but Norman chose not to participate, and only Malisse competed that year.
Malisse competed with Gilles Müller, but lost in the first round to Igor Kunitsyn and Jim Thomas.
Jeff Coetzee and Rogier Wassen were the defending champions. They were both present but did not compete together.
Coetzee partnered with Jaroslav Levinský, but lost in the semifinals to Xavier Malisse and Jürgen Melzer.
Wassen partnered with Christopher Kas, but lost in the first round to Jeff Coetzee and Jaroslav Levinský.
Potito Starace and Martín Vassallo Argüello were the defending champions. They were both present but did not compete together.
Starace partnered with Nicolás Massú, but lost in the semifinals to Oliver Marach and Michal Mertiňák.
Vassallo Argüello partnered with Albert Montañés, but lost in the first round to Óscar Hernández and Sergio Roitman.
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.
Mariusz Fyrstenberg and Marcin Matkowski were the defending champions, but lost in the semifinals to Oliver Marach and Michal Mertiňák.
Oliver Marach and Michal Mertiňák were the defending champions, but Marach chose not to participate, and only Mertinak competed that year.
Mertinak partnered with Filip Polášek, but lost in the first round to Nicolas Devilder and Paul-Henri Mathieu.
Rik de Voest and Łukasz Kubot were the defending champions but did not participate this year.
In the final, 2nd-seeded pair Johan Brunström and Jean-Julien Rojer defeated Pablo Cuevas and Dominik Hrbatý in two sets, by 6–2, 6–3.
The following are the results of the 2009 Proton Malaysian Open doubles:
Bob and Mike Bryan were the defending champions, and successfully defended their title after winning 6–3, 6–7(5), 6–3, against Daniel Nestor and Nenad Zimonjić.
Sania Mirza and Mahesh Bhupathi were the defending champions, but withdrew before their first round match against Carly Gullickson and Bernard Tomic. They were replaced in the draw by Akgul Amanmuradova and Rik de Voest.
František Čermák and Michal Mertiňák unsuccessfully defended their title, after lost to Leoš Friedl and Filip Polášek in the final 3–6, 6–7(7–9).
Fernando González and Martín Rodríguez were the defending champions, but did not participate this year.
Devin Bowen and Ashley Fisher were the defending champions, but Bowen did not participate this year. Fisher partnered Stephen Huss, losing in the first round.
Jaroslav Levinský and Michal Mertiňák were the defending champions, but did not participate together this year. Levinský partnered František Čermák, finishing runner-up. Mertiňák partnered Petr Pála, losing in the first round.
František Čermák and Filip Polášek were the defending champions but Polášek decided not to participate.
Čermák plays alongside Michal Mertiňák and won the title, defeating Simone Bolelli and Daniele Bracciali 7–5, 6–3 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].
Karol Beck and Andrej Martin were the defending champions; however, the latter decided not to participate that year, and Beck is playing alongside Michal Mertiňák instead.
Steve Darcis and Olivier Rochus were the defending champions, but decided not to compete.
Martín García and Mariano Hood were the defending champions, but Hood could not compete due to his 1-year ban due to doping. Hood decided to retire from professional tennis instead.
The 2007 Croatia Open Umag was the 18th occurrence of the Croatia Open Umag tennis tournament, held on July 23–29.