Twenty-one of 25 former champions were, had been, or would be ranked in the Top 20.
| 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 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Prague
|
1/64 | Reka-Luca Jani |
6-1
6-1 |
| 2020 |
Australian Open, Qualification WTA
|
1/64 | Johanna Larsson |
6-3
6-1 |
| 2019 |
Taipei
|
1/8 | Danka Kovinic |
6-2
7-5 |
| 2019 |
Taipei
|
1/16 | Urszula Radwanska |
6-0
1-6 2-6 |
