Nadia Petrova and Meghann Shaughnessy were the defending champions, but had different outcomes. While Shaughnessy did not compete this year due to a back injury, Petrova partnered with Alina Jidkova and lost in first round to Elena Dementieva and Flavia Pennetta.
| Doubles | |
|---|---|
| 2005 JPMorgan Chase Open | |
| Champions |  Elena Dementieva Flavia Pennetta |
| Runners-up |  Angela Haynes Bethanie Mattek |
| Score | 6–2, 6–4 |
Dementieva and Pennetta won the title, defeating Angela Haynes and Bethanie Mattek 6–2, 6–4 in the final. It was the 1st and only title of the year, the 5th and final title for Dementieva, and the 1st title of Pennetta, in their respective careers.
Seeds
edit
Lisa Raymond / 
Samantha Stosur (quarterfinals)
Conchita Martínez / Virginia Ruano Pascual (semifinals)
Iveta Benešová / Bryanne Stewart (first round)
Shinobu Asagoe / 
Tathiana Garbin (quarterfinals)
Draw
editKey
edit- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- SE = Special exempt
- PR = Protected ranking
- ITF = ITF entry
- JE = Junior exempt
- w/o = Walkover
- r = Retired
- d = Defaulted
- SR = Special ranking
Draw
edit| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | L Raymond S Stosur
| 7 | 6 | ||||||||||||||||||||||||
 M Domachowska M Kirilenko
| 5 | 0 | 1 | L Raymond S Stosur
| 6 | 3 | 2 | ||||||||||||||||||||
 T Li T Sun
| 7 | 6 | T Li T Sun
| 2 | 6 | 6 | |||||||||||||||||||||
 G Dulko D Safina
| 5 | 3 | T Li T Sun
| 3 | 3 | ||||||||||||||||||||||
| 4 |  S Asagoe T Garbin
| 6 | 77 | WC | A Haynes B Mattek
| 6 | 6 | ||||||||||||||||||||
| Q |  E Callens A Serra Zanetti
| 3 | 62 | 4 | S Asagoe T Garbin
| 63 | 4 | ||||||||||||||||||||
| J Hopkins M Washington
| 3 | 64 | WC | A Haynes B Mattek
| 77 | 6 | |||||||||||||||||||||
| WC | A Haynes B Mattek
| 6 | 77 | WC | A Haynes B Mattek
| 2 | 4 | ||||||||||||||||||||
| E Dementieva F Pennetta
| 5 | 6 | 77 | E Dementieva F Pennetta
| 6 | 6 | |||||||||||||||||||||
| A Jidkova N Petrova
| 7 | 3 | 65 | E Dementieva F Pennetta
| w/o | ||||||||||||||||||||||
 J Lee S Peng
| 6 | 7 | J Lee S Peng
| ||||||||||||||||||||||||
| 3 |  I Benešová B Stewart
| 3 | 5 | E Dementieva F Pennetta
| 6 | 66 | 6 | ||||||||||||||||||||
| Z Yan J Zheng
| 2 | 6 | 64 | 2 |  C Martínez V Ruano Pascual
| 4 | 78 | 1 | |||||||||||||||||||
ME Salerni M Vento-Kabchi
| 6 | 4 | 77 | ME Salerni M Vento-Kabchi
| 6 | 3 | 4 | ||||||||||||||||||||
 E Daniilidou S Kuznetsova
| 2 | 2 | 2 | C Martínez V Ruano Pascual
| 2 | 6 | 6 | ||||||||||||||||||||
| 2 | C Martínez V Ruano Pascual
| 6 | 6 | ||||||||||||||||||||||||