Katie Boulter defeated Tamara Korpatsch in the final, 5–7, 6–2, 6–1 to win the singles tennis title at the 2026 Ostrava Open. It was her fourth WTA Tour title.
Barbora Krejčíková was the reigning champion from when the event was last held in 2022, but she did not participate this year.
Seeds The top two seeds received a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying Seeds
Qualifiers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main draw Qualifying draw