The 2011 Prosperita Open was a professional tennis tournament played on clay courts.

It was the eighth edition of the tournament which was part of the 2011 ATP Challenger Tour.

It took place in Ostrava, Czech Republic between April 25 – May 1, 2011.

The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: Stéphane Robert def.

Ádám Kellner, 6–1, 6–3 Olivier Charroin / Stéphane Robert def.