Williams became the first in history to own a career Golden Slam in singles and doubles.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2015 |
Australian Open WTA
|
1/64 | Timea Bacsinszky |
6-1
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 |
|---|---|---|---|---|
| 2019 |
Korea Open Tennis
|
1/16 | Kristie Ahn |
6-0
6-0 |
| 2019 |
US Open WTA
|
1/64 | Catherine McNally |
6-4
6-1 |
| 2019 |
Swiss Open
|
1/16 | Jil Teichmann |
2-6
7-5 1-6 |
