The 33-year-old's upset victory over the world No. 1 was the biggest of her career.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Open de Moselle
|
1/16 | Constant Lestienne |
6-3
7-5 |
| 2018 |
US Open, Qualification ATP
|
1/64 | Victor Estrella Burgos |
3-6
1-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
US Open WTA
|
1/64 | Kaia Kanepi |
2-6
4-6 |
| 2018 |
Western & Southern Open
|
Final | Kiki Bertens |
6-2
6-7 2-6 |
| 2018 |
Western & Southern Open
|
Semi Finals | Simona Halep |
6-3
6-4 |
| 2018 |
Western & Southern Open
|
Quarter Finals | Simona Halep |
6-4
6-1 |
| 2018 |
Western & Southern Open
|
1/8 | Simona Halep |
7-5
6-4 |
| 2018 |
Western & Southern Open
|
1/16 | Simona Halep |
4-6
6-3 6-3 |
