Twenty-one of 25 former champions were, had been, or would be ranked in the Top 20.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2011 |
Mutua Madrilena Madrid Open
Spain, Madrid |
Championship | Julia Goerges |
4-6
6-4 4-6 |
| 2011 |
Mutua Madrilena Madrid Open
Spain, Madrid |
Championship | Dinara Safina |
7-5
4-6 3-6 |
| 2011 |
Grand Prix SAR La Princesse Lalla Meryem
|
Championship | Alberta Brianti | |
| 2011 |
Grand Prix SAR La Princesse Lalla Meryem
|
Championship | Dinara Safina |
6-4
2-6 6-4 |
| 2011 |
Grand Prix SAR La Princesse Lalla Meryem
|
Championship | Dinara Safina |
1-6
3-6 |
| 2011 |
Grand Prix SAR La Princesse Lalla Meryem
|
Championship | Dinara Safina |
6-1
6-0 |
| 2011 |
Andalucia Tennis Experience
Spain, Marbella |
Championship | Victoria Azarenka |
5-1
|
| 2011 |
Andalucia Tennis Experience
Spain, Marbella |
Championship | Dinara Safina |
6-3
6-4 |
| 2011 |
Andalucia Tennis Experience
Spain, Marbella |
Championship | Dinara Safina |
6-3
2-6 4-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
Swiss Indoors Basel
|
1/16 | Robin Haase |
2-6
6-7 |
| 2017 |
Kaohsiung
|
1/16 | Lukas Rosol |
0-6
6-7 |
| 2017 |
Chengdu Open, Qualification
|
Quarter Finals | Taylor Fritz |
6-4
6-2 |
| 2017 |
Chengdu Open, Qualification
|
1/8 | Marco Chiudinelli |
5-7
0-1 |
