Ai Sugiyama Doubles wins (38) Doubles wins (38)

| Date_ | Tournament | Surface | Partner | Opponent_in_the_final | Score |
|---|---|---|---|---|---|
| April 6, 2008 | Miami , U.S. | Hard | Katarina Srebotnik | Cara Black Liezel Huber | 7–5, 4–6 [10–3] |
| April 20, 2008 | Charleston, South Carolina , U.S. | Clay | Katarina Srebotnik | Edina Gallovits Olga Govortsova | 6–2, 6–2 |
| October 26, 2008 | Linz , Austria | Hard(i) | Katarina Srebotnik | Cara Black Liezel Huber | 6–4, 7–5 |
| June 20, 2009 | Eastbourne , Great Britain | Grass | Akgul Amanmuradova | Samantha Stosur Rennae Stubbs | 6–4, 6–3 |