Williams became the first in history to own a career Golden Slam in singles and doubles.
| 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 |
Davis Cup Group 2 - Europe/Africa
|
Championship | Jarkko Nieminen |
3-6
6-3 1-6 6-7 |
| 2015 |
if...Stockholm Open
|
1/16 | Nicolas Almagro |
3-6
7-6 6-4 |
