Williams became the first in history to own a career Golden Slam in singles and doubles.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2014 |
Qatar Total Open
|
1/16 | Jelena Jankovic |
0-6
2-6 |
| 2013 |
XXI Copa Colsanitas
|
Semi Finals | Jelena Jankovic |
3-6
6-1 7-6 |
| 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 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
Australian Open WTA
|
1/64 | Hsieh Su-wei |
3-6
0-2 |
| 2016 |
US Open WTA
United States, New York, Flushing Meadows |
1/64 | Johanna Larsson |
4-6
2-6 |
| 2016 |
Cincinnati Masters, Qualification
|
1/12 (Special Qual) | Kurumi Nara |
6-1
7-5 |
| 2016 |
Cincinnati Masters, Qualification
|
1/24 (Special Qual) | Karin Knapp |
7-6
3-6 6-4 |
