The American, who reached a career-high of No. 7 in 2016, has won five career WTA titles.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2015 |
Western & Southern Open
|
1/16 | Jelena Jankovic |
7-6
6-4 |
| 2015 |
BNP Paribas Open
|
1/16 | Jelena Jankovic |
7-5
4-6 3-6 |
| 2014 |
AEGON International
|
1/16 | Madison Keys |
6-3
6-3 |
| 2013 |
US Open WTA
|
1/64 | Jelena Jankovic |
6-3
6-4 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Roland Garros WTA
|
1/64 | Zhang Shuai |
6-3
7-6 |
| 2020 |
US Open WTA
|
1/16 | Alize Cornet |
6-7
2-3 |
| 2020 |
US Open WTA
|
1/32 | Madison Keys |
6-2
6-1 |
| 2020 |
US Open WTA
|
1/64 | Madison Keys |
6-1
6-1 |
| 2020 |
Western & Southern Open
|
1/16 | Ons Jabeur |
4-6
1-6 |
| 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 |
