Williams became the first in history to own a career Golden Slam in singles and doubles.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2013 |
Apia International Sydney
Australia, Sydney |
1/16 | Jelena Jankovic |
2-6
6-7 |
| 2011 |
China Open
China, Beijing |
Championship | Tamira Paszek |
7-5
6-4 |
| 2011 |
Family Circle Cup
|
Championship | Jelena Jankovic |
6-2
6-3 |
| 2008 |
Australian Open WTA
Australia, Victoria, Melbourne |
Championship | Jelena Jankovic |
2-6
6-2 12-10 |
| 2007 |
Internazionali BNL d'Italia
|
Championship | Jelena Jankovic |
6-3
6-4 |
| 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 |
Wuhan Tennis Open, Qualification
|
1/16 | Pauline Parmentier |
1-6
1-3 |
| 2016 |
KDB Korea Open
South Korea, Seoul |
1/16 | Sara Sorribes Tormo |
6-1
6-3 |
| 2016 |
Japan Women's Open
Japan, Tokyo |
1/16 | Kurumi Nara |
2-6
2-6 |
