The 2016 year-end No. 1, now down to No. 14, won 6-3, 6-4.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
Monterrey Open
|
1/16 | Angelique Kerber |
4-6
6-0 6-4 |
| 2015 |
Hong Kong Tennis Open
|
1/16 | Angelique Kerber |
7-6
2-6 3-6 |
| 2015 |
BNP Paribas Diamond Games
|
1/8 | Francesca Schiavone |
6-1
6-1 |
| 2013 |
Sony Open Tennis
United States, Florida, Miami |
1/32 | Angelique Kerber |
6-7
6-3 6-2 |
| 2011 |
Sony Ericsson Open
United States, Florida, Miami |
Championship | Francesca Schiavone |
6-4
6-4 |
| 2008 |
Australian Open WTA
Australia, Victoria, Melbourne |
Championship | Francesca Schiavone |
2-6
3-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
Toray Pan Pacific Open
|
1/8 | Angelique Kerber |
7-6
6-3 |
| 2017 |
Toray Pan Pacific Open
|
1/16 | Angelique Kerber |
6-3
6-4 |
| 2017 |
US Open WTA
|
1/64 | Naomi Osaka |
6-3
6-1 |
| 2017 |
Western & Southern Open
|
1/16 | Ekaterina Makarova |
6-4
1-6 7-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
US Open WTA
|
1/64 | Kaia Kanepi |
0-6
6-4 6-2 |
| 2017 |
Western & Southern Open, Qualification
|
1/12 (Special Qual) | Aleksandra Krunic |
7-6
4-6 6-2 |
| 2017 |
Western & Southern Open, Qualification
|
1/24 (Special Qual) | Francesca Schiavone |
7-6
2-6 1-6 |
| 2017 |
Bank of the West Classic
|
1/16 | Kateryna Bondarenko |
3-6
4-6 |
