Twenty-one of 25 former champions were, had been, or would be ranked in the Top 20.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2009 |
East West Bank Classic presented by Herbalife
|
Championship | Flavia Pennetta |
3-6
3-6 |
| 2009 |
Porsche Tennis Grand Prix
Germany, Stuttgart |
Championship | Flavia Pennetta |
6-2
6-2 |
| 2008 |
Zurich Open
Switzerland, Zurich |
Championship | Flavia Pennetta |
1-6
1-6 |
| 2008 |
US Open WTA
United States, New York, Flushing Meadows |
Championship | Flavia Pennetta |
6-4
4-6 3-6 |
| 2004 |
Wimbledon WTA
England, Wimbledon |
Championship | Nadia Petrova |
6-3
2-6 6-4 |
| 2004 |
Internazionali BNL d'Italia
|
Championship | Flavia Pennetta |
6-1
6-7 4-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2014 |
Family Circle Cup
|
1/32 | Marina Erakovic |
4-6
6-3 6-4 |
| 2014 |
Sony Open Tennis
United States, Florida, Miami |
1/32 | Sabine Lisicki |
6-3
4-6 4-6 |
| 2014 |
Sony Open Tennis
United States, Florida, Miami |
1/64 | Nadia Petrova |
7-5
1-6 6-4 |
| 2014 |
BNP Paribas Open
United States, California, Indian Wells |
1/64 | Silvia Soler-Espinosa |
1-1
|
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2015 |
BNP Paribas WTA Finals Singapore Red Group
|
Championship | Maria Sharapova |
7-5
6-1 |
| 2015 |
BNP Paribas WTA Finals Singapore Red Group
|
Championship | Flavia Pennetta |
6-7
4-6 |
| 2015 |
BNP Paribas WTA Finals Singapore Red Group
|
Championship | Simona Halep |
6-0
6-3 |
| 2015 |
Kremlin Cup By Bank Of Moscow
|
Quarter Finals | Lesia Tsurenko | |
| 2015 |
Kremlin Cup By Bank Of Moscow
|
1/8 | Flavia Pennetta |
6-2
6-4 |
| 2015 |
Tianjin Open
|
1/16 | Lyudmyla Kichenok |
3-6
5-7 |
