Virginia Ruano Pascual Doubles 78 (43–35) Doubles 78 (43–35)

| Outcome | Date_ | Tournament | Surface | Partner | Score_in_the_final |
|---|---|---|---|---|---|
| Runner-up | 5 January 2004 | Auckland | Hard | Paola Suárez | 7–6(6), 3–6, 6–1 |
| Winner | 1 February 2004 | Australian Open | Hard | Paola Suárez | 6–4, 6–3 |
| Winner | 21 March 2004 | Indian Wells | Hard | Paola Suárez | 6–1, 6–2 |
| Winner | 18 April 2004 | Charleston | Clay | Paola Suárez | 6–4, 6–1 |
| Runner-up | 10 May 2004 | Rome | Clay | Paola Suárez | 2–6, 6–3, 6–3 |
| Winner | 3 June 2004 | French Open | Clay | Paola Suárez | 6–0, 6–3 |
| Runner-up | 19 July 2004 | Los Angeles | Hard | Conchita Martínez | 6–7(2), 6–4, 6–3 |
| Runner-up | 26 July 2004 | San Diego | Hard | Paola Suárez | 4–6, 6–1, 6–4 |
| Runner-up | 22 August 2004 | Olympic Games | Hard | Conchita Martínez | 6–3, 6–3 |
| Winner | 11 September 2004 | US Open | Hard | Paola Suárez | 6–4, 7–5 |