Williams became the first in history to own a career Golden Slam in singles and doubles.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2011 |
Medibank International
Australia, Sydney |
Championship | Aravane Rezai |
5-7
6-2 3-6 |
| 2010 |
Mutua Madrilena Madrid Open
Spain, Madrid |
Championship | Aravane Rezai |
7-5
6-4 |
| 2010 |
Dubai Duty Free Tennis Championships
|
Championship | Jelena Jankovic |
4-6
6-4 7-5 |
| 2007 |
Dubai Duty Free Tennis Championships
|
Championship | Jelena Jankovic |
6-1
6-2 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2015 |
Roland Garros, Qualification WTA
|
1/48 (Special Qual) | Julie Coin |
5-7
3-6 |
| 2014 |
Australian Open, Qualification WTA
|
1/48 (Special Qual) | Alla Kudryavtseva |
6-4
6-2 |
| 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 |
