Twenty-one of 25 former champions were, had been, or would be ranked in the Top 20.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2012 |
ASB Classic
New Zealand, Auckland |
Quarter Finals | Flavia Pennetta |
6-2
6-1 |
| 2011 |
Generali Ladies Linz
Austria, Linz |
Championship | Flavia Pennetta |
6-7
2-6 |
| 2010 |
Kremlin Cup
Russia, Moscow |
Championship | Elena Vesnina |
6-4
2-6 6-2 |
| 2006 |
Estoril Open
Portugal, Estoril |
Championship | Flavia Pennetta |
6-2
2-6 7-6 |
| 2006 |
Bausch & Lomb Championships
United States, Florida, Amelia Island |
Championship | Elena Vesnina |
6-2
6-1 |
| 2005 |
Internazionali di Modena
|
Championship | Flavia Pennetta |
6-7
2-6 |
| 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 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Roland Garros WTA
|
1/64 | Bernarda Pera |
6-3
6-2 |
| 2018 |
Internazionali BNL d'Italia
|
1/16 | Venus Williams |
6-2
4-6 7-5 |
| 2018 |
Internazionali BNL d'Italia
|
1/32 | Elena Vesnina |
7-6
6-2 |
| 2018 |
Mutua Madrid Open
|
1/32 | Karolina Pliskova |
4-6
2-6 |
