The Prosperita Open is a professional tennis tournament played on outdoor red clay courts.
It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour.
It is held annually in Ostrava, Czech Republic, since 2004.
As of 2022 still nobody has won two singles titles after 19 editions, while Pavel Šnobel and Sergiy Stakhovsky has won two doubles titles each.
Jan Hájek, Stéphane Robert, and Andrey Kuznetsov won both singles and doubles title the same year.