Williams became the first in history to own a career Golden Slam in singles and doubles.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2012 |
Qatar Total Open
|
1/16 | Shahar Peer |
7-6
6-2 |
| 2010 |
BNP Paribas Open
United States, California, Indian Wells |
Championship | Jelena Jankovic |
2-6
2-6 |
| 2007 |
Porsche Tennis Grand Prix
Germany, Stuttgart |
Championship | Jelena Jankovic |
4-6
6-1 6-3 |
| 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 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2016 |
Monterrey Open, Qualification
|
1/16 | Viktorija Golubic |
4-6
5-7 |
