Ai Sugiyama Women's doubles: 10 finals (3 titles, 7 runner-ups) Women's doubles: 10 finals (3 titles, 7 runner-ups)

| Outcome | Year_ | Championship | Surface | Partner | Opponents_in_the_final | Score_in_the_final |
|---|---|---|---|---|---|---|
| Runner-up | 2000 | Wimbledon | Grass | Julie Halard | Serena Williams Venus Williams | 6–3, 6–2 |
| Winner | 2000 | US Open | Hard | Julie Halard | Cara Black Elena Likhovtseva | 6–0, 1–6, 6–1 |
| Runner-up | 2001 | Wimbledon (2) | Grass | Kim Clijsters | Lisa Raymond Rennae Stubbs | 6–4, 6–3 |
| Winner | 2003 | French Open | Clay | Kim Clijsters | Virginia Ruano Pascual Paola Suárez | 6–7, 6–2, 9–7 |
| Winner | 2003 | Wimbledon | Grass | Kim Clijsters | Virginia Ruano Pascual Paola Suárez | 6–4 6–4 |
| Runner-up | 2004 | Wimbledon (3) | Grass | Liezel Huber | Cara Black Rennae Stubbs | 6–3, 7–6 |
| Runner-up | 2006 | French Open | Clay | Daniela Hantuchová | Lisa Raymond Samantha Stosur | 6–3, 6–2 |