Twenty-one of 25 former champions were, had been, or would be ranked in the Top 20.
| 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 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Credit One Bank Invitational
|
Championship | Sofia Kenin |
6-1
6-1 |
| 2020 |
UTR Pro Match Series Women
|
Championship | Alison Riske |
1-4
4-1 1-4 |
| 2020 |
UTR Pro Match Series Women
|
Championship | Alison Riske |
4-0
0-4 3-4 |
| 2020 |
UTR Pro Match Series Women
|
Championship | Ajla Tomljanovic |
3-4
1-4 |
| 2020 |
Qatar Total Open
|
1/32 | Jennifer Brady |
7-6
1-6 7-6 |
