Twenty-one of 25 former champions were, had been, or would be ranked in the Top 20.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Parma
|
1/8 | Marco Cecchinato |
7-5
6-3 |
| 2020 |
Parma
|
1/16 | Philipp Kohlschreiber |
3-6
1-6 |
| 2020 |
Roland Garros ATP
|
1/64 | Cristian Garin |
6-4
4-6 6-1 6-4 |
| 2020 |
Hamburg European Open
|
1/16 | Fabio Fognini |
6-4
1-6 5-7 |
| 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 |
