Serving among the WTA's elite has undergone a sea of change in recent years.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Australian Open WTA
|
1/64 | Donna Vekic |
6-3
6-4 |
| 2020 |
Brisbane International
|
1/16 | Jennifer Brady |
6-3
1-6 6-7 |
| 2019 |
US Open WTA
|
1/64 | Serena Williams |
6-1
6-1 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
Coupe Banque Nationale
|
1/16 | Varvara Lepchenko |
1-6
6-2 1-6 |
| 2017 |
Rogers Cup, Qualification
|
1/24 (Special Qual) | Sorana Cirstea |
6-4
6-1 |
| 2017 |
Roland Garros, Qualification WTA
|
1/48 (Special Qual) | Aleksandra Krunic |
3-6
1-6 |
