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 |
|---|---|---|---|---|
| 2018 |
Davis Cup Group 2 - Europe/Africa
|
Championship | Kamil Majchrzak |
3-6
2-6 |
| 2018 |
Davis Cup Group 2 - Europe/Africa
|
Championship | Hubert Hurkacz |
6-7
5-7 |
| 2018 |
Davis Cup Group 2 - Europe/Africa
|
Championship | Adrian Ungur |
6-0
7-6 |
| 2017 |
Rome 2
|
1/8 | Daniel Gimeno-Traver |
6-7
5-7 |
