Twenty-one of 25 former champions were, had been, or would be ranked in the Top 20.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2002 |
Mercury Insurance Open
|
Championship | Greta Arn |
6-3
3-6 4-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Jiangxi Open
|
1/16 | Kateryna Kozlova |
6-2
6-1 |
| 2019 |
Jiangxi Open, Qualification
|
1/12 (Special Qual) | Greta Arn |
2-6
2-6 |
| 2019 |
Monterrey Open
|
1/8 | Kristina Mladenovic |
6-0
6-2 |
| 2019 |
Monterrey Open
|
1/16 | Greta Arn |
7-5
3-6 7-5 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2006 |
Generali Ladies Linz
Austria, Linz |
Championship | Vera Zvonareva |
6-4
6-6 |
| 2006 |
Zurich Open
Switzerland, Zurich |
Championship | Katarina Srebotnik |
6-3
7-5 |
| 2006 |
Porsche Tennis Grand Prix
Germany, Stuttgart |
Championship | Jelena Jankovic |
7-6
6-3 |
