Williams became the first in history to own a career Golden Slam in singles and doubles.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2010 |
Medibank International
Australia, Sydney |
Championship | Agnes Szavay |
5-7
6-1 7-5 |
| 2007 |
China Open
China, Beijing |
Championship | Agnes Szavay |
6-7
7-5 6-2 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2012 |
US Open WTA
|
1/64 | Greta Arn |
4-6
2-3 |
| 2012 |
New Haven Open at Yale
|
1/16 | Carla Suarez Navarro |
6-7
4-6 |
| 2012 |
Summer Olympics WTA
|
1/32 | Elena Baltacha |
3-6
3-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
US Open WTA
|
1/64 | Petra Kvitova |
7-5
7-5 |
| 2017 |
Citi Open
|
1/16 | Oceane Dodin |
6-4
3-6 0-2 |
| 2017 |
NanChang Open
|
1/8 | Jing-Jing Lu |
2-6
6-1 6-2 |
