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 |
|---|---|---|---|---|
| 2016 |
European Open
Belgium, Antwerp |
1/16 | Inigo Cervantes |
6-1
3-6 6-1 |
| 2016 |
European Open, Qualification
|
Quarter Finals | Michael Berrer |
6-7
4-6 |
| 2016 |
Shanghai Masters, Qualification
|
1/7 (Special Qual) | Mikhail Youzhny |
6-2
6-2 |
| 2016 |
Shanghai Masters, Qualification
|
1/14 (Special Qual) | Michael Berrer |
6-3
6-4 |
