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 |
|---|---|---|---|---|
| 2012 |
US Open, Qualification WTA
|
1/64 | Kristyna Pliskova |
4-6
1-6 |
| 2012 |
New Haven Open at Yale, Qualification
|
1/16 | Lourdes Dominguez Lino |
3-6
6-3 6-1 |
| 2012 |
Wimbledon WTA
|
1/32 | Julia Goerges |
6-7
2-6 |
| 2012 |
Wimbledon WTA
|
1/64 | Anastasiya Yakimova |
4-6
6-3 6-3 |
