| ACTIVE | PLAYER | TITLES |
|---|---|---|
| A | Katie Boulter (Current) | 1 |
| A | Aryna Sabalenka | 1 |
| A | Anett Kontaveit | 1 |
| A | Barbora Krejčíková | 1 |
Table: From 2020 onward, Most Ostrava Open Titles, WTA 250, Women, Czech Republic, Tennis, Ranked.
*Tournament has shifted between WTA 250 and WTA 500.