The 2018 champion lost to the American in the quarterfinals of her title defense in 2019.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Phillip Island Trophy
|
Quarter Finals | Bianca Andreescu |
3-6
6-4 6-7 |
| 2021 |
Phillip Island Trophy
|
1/8 | Irina-Camelia Begu |
7-6
2-6 1-6 |
| 2021 |
Phillip Island Trophy
|
1/16 | Irina-Camelia Begu |
3-6
2-6 |
| 2021 |
Phillip Island Trophy
|
1/32 | Irina-Camelia Begu |
6-3
6-3 |
| 2021 |
Australian Open WTA
|
1/64 | Nina Stojanovic |
6-3
6-4 |
| 2021 |
Gippsland Trophy
|
Quarter Finals | Naomi Osaka |
5-7
1-6 |
| 2021 |
Gippsland Trophy
|
1/8 | Irina-Camelia Begu |
6-4
6-7 6-7 |
| 2021 |
Gippsland Trophy
|
1/16 | Irina-Camelia Begu |
7-5
4-6 4-6 |
| 2021 |
Gippsland Trophy
|
1/32 | Irina-Camelia Begu |
3-6
7-5 6-4 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2014 |
China Open
|
1/32 | Tsvetana Pironkova |
4-6
1-6 |
| 2014 |
KDB Korea Open
|
Semi Finals | Karolina Pliskova |
6-4
6-7 3-6 |
| 2014 |
KDB Korea Open
|
Quarter Finals | Maria Kirilenko |
7-6
2-6 3-6 |
| 2014 |
KDB Korea Open
|
1/8 | Maria Kirilenko |
6-7
6-4 6-0 |
| 2014 |
KDB Korea Open
|
1/16 | Maria Kirilenko |
3-6
6-2 6-4 |
| 2014 |
US Open WTA
|
1/64 | Maria Sharapova |
6-4
6-0 |
