Virginia Ruano Pascual and Paola Suárez defeated Kim Clijsters and Ai Sugiyama in the final, 6–4, 3–6, 6–3 to win the doubles tennis title at the 2003 WTA Tour Championships.
| Doubles | |
|---|---|
| 2003 WTA Tour Championships | |
| Champion |  Virginia Ruano Pascual Paola Suárez |
| Runner-up |  Kim Clijsters Ai Sugiyama |
| Score | 6–4, 3–6, 6–3 |
| Draw | 8 |
| Seeds | 4 |
Elena Dementieva and Janette Husárová were the reigning champions, but did not qualify this year.
Seeds
edit- Kim Clijsters / Ai Sugiyama (final)
- Virginia Ruano Pascual / Paola Suárez (champions)
Svetlana Kuznetsova / 
Martina Navratilova (semifinals)
Cara Black / Elena Likhovtseva (semifinals)
Draw
editKey
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
Finals
edit| Semifinals | Final | ||||||||||||
| 1 | Kim Clijsters Ai Sugiyama
| 6 | 6 | ||||||||||
| 4 | Cara Black Elena Likhovtseva
| 3 | 4 | ||||||||||
| 1 | Kim Clijsters Ai Sugiyama
| 4 | 6 | 3 | |||||||||
| 2 | Virginia Ruano Pascual Paola Suárez
| 6 | 3 | 6 | |||||||||
| 3 | Svetlana Kuznetsova Martina Navratilova
| 4 | 4 | ||||||||||
| 2 | Virginia Ruano Pascual Paola Suárez
| 6 | 6 | ||||||||||