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| Doubles | |
|---|---|
| 2009 Chennai Open | |
| Champions | |
| Runners-up | |
| Score | 6–3, 6–4 |
| Draw | 16 |
| Seeds | 4 |
Sanchai Ratiwatana and Sonchat Ratiwatana were the defending champions, but chose not participate that year.
Eric Butorac and Rajeev Ram won in the final, 6–3, 6–4, over Jean-Claude Scherrer and Stanislas Wawrinka.
Mahesh Bhupathi / 
Mark Knowles (quarterfinals)
Lukáš Dlouhý / Leander Paes (first round)
Rogier Wassen / 
Lovro Zovko (quarterfinals)
Scott Lipsky / David Martin (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | 77 | 710 | |||||||||||||||||||||||||
| WC | 63 | 68 | 1 | 6 | 3 | [8] | |||||||||||||||||||||
| 77 | 6 | 3 | 6 | [10] | |||||||||||||||||||||||
| 65 | 4 | 6 | 6 | ||||||||||||||||||||||||
| 4 | 711 | 6 | 4 | 4 | 4 | ||||||||||||||||||||||
| 69 | 3 | 4 | 68 | 7 | [10] | ||||||||||||||||||||||
| 3 | 6 | [10] | 710 | 5 | [8] | ||||||||||||||||||||||
| 6 | 3 | [4] | 3 | 4 | |||||||||||||||||||||||
| 6 | 6 | 6 | 6 | ||||||||||||||||||||||||
| WC | 1 | 2 | 6 | 6 | |||||||||||||||||||||||
| 3 | 1 | 3 | 2 | 3 | |||||||||||||||||||||||
| 3 | 6 | 6 | w/o | ||||||||||||||||||||||||
| 4 | 2 | ||||||||||||||||||||||||||
| 6 | 6 | 3 | 77 | [7] | |||||||||||||||||||||||
| 4 | 6 | [10] | 6 | 64 | [10] | ||||||||||||||||||||||
| 2 | 6 | 2 | [7] | ||||||||||||||||||||||||
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.
The 2008 SAP Open doubles was a men's tennis tournament played on indoor hard courts in San Jose, California in the United States.
Wesley Moodie and Todd Perry were the defending champions, but chose not to participate that year.
Simon Aspelin and Julian Knowle were the defending champions, but Aspelin chose not to participate, and only Knowle competed that year.
Knowle partnered with Jürgen Melzer, but Marcelo Melo and André Sá defeated them 7–5, 6–7(3–7), [13–11], in the final.
Jonathan Erlich and Andy Ram were the defending champions, but lost in the quarterfinals to Vince Spadea and Fernando Verdasco.
Sanchai Ratiwatana and Sonchat Ratiwatana were the defending champions. Still, they lost in the first round to Julien Benneteau and Nicolas Mahut.
Karol Beck and Jaroslav Levinský were the defending champions, but they chose to not participate this year.
Sanchai Ratiwatana and Sonchat Ratiwatana won in the final 6–4, 7–5, against Mario Ančić and Lovro Zovko
Sanchai Ratiwatana and Sonchat Ratiwatana won in the final 6–3, 7–6(4), against Juan Pablo Brzezicki and Iván Miranda.
Łukasz Kubot and Oliver Marach chose to not defend their last year's title.
Rik de Voest and Lu Yen-hsun defeated Sanchai Ratiwatana and Sonchat Ratiwatana 7–6(5), 3–6, [10–6] in the final.
Number 1 seeds Philipp Marx and Igor Zelenay won 6–4, 7–5 in the final against the No. 2 seeds, twins Sanchai and Sonchat Ratiwatana.
Sanchai Ratiwatana and Sonchat Ratiwatana won the first edition of the tournament 4–6, 7–6(7–1), [13–11] against Ruan Roelofse and Kittipong Wachiramanowong
Sanchai Ratiwatana and Sonchat Ratiwatana won the title, defeating Adam Feeney and Samuel Groth 6–4, 2–6, [10–8] in the final.
Sanchai Ratiwatana and Sonchat Ratiwatana successfully defended their title, defeating Yuki Bhambri and Divij Sharan 7–6(7–3), 2–6, [10–6] in the final.
Peng Hsien-yin and Yang Tsung-hua were the defending champions, but decided not to compete.
Sanchai Ratiwatana and Sonchat Ratiwatana were the defending champions, but lost in the first round to Jamie Delgado and Gilles Müller.
Chase Buchanan and Blaž Rola were the defending champions, but both players chose not to participate.
Denise Dy and Treat Huey were the defending champions and successfully defended their title, defeating Peangtarn Plipuech and Sonchat Ratiwatana in the final, 7–6, 6–4.
Hsieh Cheng-peng and Yang Tsung-hua were the defending champions but lost in the semifinals to Sanchai and Sonchat Ratiwatana.
Sanchai and Sonchat Ratiwatana were the defending champions but lost in the quarterfinals to Ben McLachlan and Go Soeda.
Sanchai and Sonchat Ratiwatana were the defending champions but lost in the quarterfinals to Hsieh Cheng-peng and Yang Tsung-hua.
