Williams became the first in history to own a career Golden Slam in singles and doubles.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
Wimbledon WTA
|
1/64 | Agnieszka Radwanska |
7-6
6-0 |
| 2016 |
Indian Wells Masters
|
1/8 | Agnieszka Radwanska |
6-3
6-3 |
| 2015 |
Wimbledon WTA
|
1/8 | Agnieszka Radwanska |
7-5
6-4 |
| 2014 |
Internazionali BNL d'Italia
|
Quarter Finals | Jelena Jankovic |
6-4
6-4 |
| 2014 |
BNP Paribas Open
United States, California, Indian Wells |
Quarter Finals | Agnieszka Radwanska |
5-7
6-2 4-6 |
| 2012 |
Toray Pan Pacific Open
|
1/16 | Agnieszka Radwanska |
6-2
7-5 |
| 2012 |
US Open WTA
|
1/16 | Agnieszka Radwanska |
3-6
5-7 |
| 2012 |
Dubai Duty Free Tennis Championships
United Arab Emirates, Dubai |
Semi Finals | Agnieszka Radwanska |
2-6
6-2 0-6 |
| 2011 |
Toray Pan Pacific Open
Japan, Tokyo |
Championship | Agnieszka Radwanska |
2-6
6-4 6-0 |
| 2008 |
Roland Garros WTA
France, Paris |
Championship | Jelena Jankovic |
3-6
6-7 |
| 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 |
|---|---|---|---|---|
| 2018 |
Korea Open Tennis
|
1/8 | Irina-Camelia Begu |
6-4
6-3 |
| 2018 |
Korea Open Tennis
|
1/16 | Agnieszka Radwanska |
4-6
5-7 |
| 2018 |
US Open WTA
|
1/64 | Tatjana Maria |
3-6
3-6 |
| 2018 |
Connecticut Open
|
1/16 | Petra Kvitova |
1-6
6-7 |
