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 |
|---|---|---|---|---|
| 2020 |
Australian Open, Qualification WTA
|
1/32 | Stefanie Voegele |
3-6
6-1 6-2 |
| 2020 |
Australian Open, Qualification WTA
|
1/64 | Denisa Allertova |
6-2
6-1 |
| 2019 |
BGL BNP Paribas Luxembourg Open
|
1/8 | Elena Rybakina |
2-6
1-6 |
| 2019 |
BGL BNP Paribas Luxembourg Open
|
1/16 | Denisa Allertova |
6-7
7-6 7-6 |
