The American, who reached a career-high of No. 7 in 2016, has won five career WTA titles.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Citi Open
|
1/16 | Milos Raonic |
6-1
6-4 |
| 2019 |
Citi Open
|
1/32 | Tim Smyczek |
4-6
4-6 |
| 2019 |
Citi Open, Qualification
|
1/6 (Special Qual) | Tim Smyczek |
6-7
7-5 3-6 |
| 2019 |
Citi Open, Qualification
|
1/12 (Special Qual) | Tim Smyczek |
6-4
6-2 |
| 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 |
