Twenty-one of 25 former champions were, had been, or would be ranked in the Top 20.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2014 |
Dubai Duty Free Tennis Championships
United Arab Emirates, Dubai |
1/16 | Flavia Pennetta |
5-7
4-6 |
| 2013 |
Mutua Madrid Open
Spain, Madrid |
1/32 | Kaia Kanepi |
3-6
7-6 2-6 |
| 2011 |
Toray Pan Pacific Open
Japan, Tokyo |
Championship | Kaia Kanepi |
3-6
6-4 6-4 |
| 2010 |
XXIV SNAI Open - Internazionali Femminili di Palermo
|
Championship | Kaia Kanepi |
4-6
3-6 |
| 2008 |
Summer Olympics WTA
|
Championship | Kaia Kanepi |
2-6
6-7 |
| 2008 |
BNP Paribas Open
|
Championship | Flavia Pennetta |
6-2
6-1 |
| 2008 |
Abierto Mexicano TELCEL presented by HSBC
|
Championship | Flavia Pennetta |
6-4
6-2 |
| 2008 |
Cachantun Cup
|
Championship | Flavia Pennetta |
6-3
6-3 |
| 2007 |
Australian Open WTA
Australia, Victoria, Melbourne |
Championship | Kaia Kanepi |
5-7
6-7 |
| 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 |
|---|---|---|---|---|
| 2020 |
Roland Garros WTA
|
1/32 | Elise Mertens |
4-6
5-7 |
| 2020 |
Roland Garros WTA
|
1/64 | Kaia Kanepi |
6-4
4-6 2-6 |
| 2020 |
US Open WTA
|
1/32 | Ons Jabeur |
7-6
6-0 |
| 2020 |
US Open WTA
|
1/64 | Kaia Kanepi |
1-6
2-6 |
| 2020 |
Australian Open WTA
|
1/64 | Barbora Krejcikova |
6-7
6-2 3-6 |
