The American, who reached a career-high of No. 7 in 2016, has won five career WTA titles.
| 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 |
|---|---|---|---|---|
| 2018 |
US Open ATP
|
1/64 | Borna Coric |
6-2
6-2 5-7 6-4 |
| 2018 |
German Tennis Championships
|
1/16 | Pablo Carreno Busta |
2-6
6-1 7-6 |
