Williams became the first in history to own a career Golden Slam in singles and doubles.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Seville
|
1/32 | Inigo Cervantes |
3-6
0-6 |
| 2019 |
Mallorca
|
1/32 | Matteo Viola |
2-6
2-6 |
| 2019 |
Segovia
|
1/32 | Frederico Gil |
6-7
4-6 |
| 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 |
