Twenty-one of 25 former champions were, had been, or would be ranked in the Top 20.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Belgrade
|
Quarter Finals | Roberto Carballes Baena |
7-6
6-1 |
| 2021 |
Belgrade
|
1/8 | Blaz Rola |
6-2
6-2 |
| 2021 |
Belgrade
|
1/16 | Blaz Rola |
6-4
2-0 |
| 2021 |
Split
|
Final | Blaz Rola |
6-2
3-6 2-6 |
| 2021 |
Split
|
Semi Finals | Blaz Rola |
6-7
7-6 4-6 |
| 2021 |
Split
|
Quarter Finals | Blaz Rola |
6-2
6-4 |
| 2021 |
Split
|
1/16 | Blaz Rola |
6-3
6-4 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2006 |
Generali Ladies Linz
Austria, Linz |
Championship | Vera Zvonareva |
6-4
6-6 |
| 2006 |
Zurich Open
Switzerland, Zurich |
Championship | Katarina Srebotnik |
6-3
7-5 |
| 2006 |
Porsche Tennis Grand Prix
Germany, Stuttgart |
Championship | Jelena Jankovic |
7-6
6-3 |
