Williams became the first in history to own a career Golden Slam in singles and doubles.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2014 |
US Open WTA
|
1/64 | Jelena Jankovic |
2-6
3-6 |
| 2013 |
Internazionali BNL d'Italia
Italy, Rome |
1/16 | Jelena Jankovic |
2-6
0-6 |
| 2010 |
China Open
China, Beijing |
Championship | Bojana Jovanovski |
6-4
2-6 2-6 |
| 2010 |
Banka Koper Slovenia Open
Slovenia, Portoroz |
Championship | Jelena Jankovic |
6-3
6-3 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Tianjin Open, Qualification
|
1/12 (Special Qual) | Sabine Lisicki |
6-2
6-1 |
| 2018 |
Tashkent Open
|
1/16 | Vera Lapko |
1-6
3-6 |
| 2018 |
US Open, Qualification WTA
|
1/32 | Anastasia Potapova |
6-7
3-6 |
| 2018 |
US Open, Qualification WTA
|
1/64 | Bojana Jovanovski |
6-4
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 |
