The 2015 Prosperita Open was a professional tennis tournament played on clay courts. It was the 12th edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Ostrava, Czech Republic between 27 April and 3 May.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 France | Lucas Pouille | 98 | 1 | |
 United Kingdom | James Ward | 106 | 2 | |
 Spain | Daniel Muñoz de la Nava | 146 | 3 | |
| Mate Delić | 159 | 4 | ||
 Belgium | Maxime Authom | 175 | 5 | |
 Slovakia | Andrej Martin | 187 | 6 | |
 Ukraine | Denys Molchanov | 189 | 7 | |
| Spain | Rubén Ramírez Hidalgo | 198 | 8 |
The following players received wildcards into the singles main draw:
Zdeněk Kolář Patrik Rikl David Poljak Dominik KellovskýThe following players received entry from the qualifying draw:
Dušan Lojda Marek Michalička
Grzegorz Panfil
Pascal BrunnerSee main article: 2015 Prosperita Open – Singles.
Íñigo Cervantes def. Adam Pavlásek, 7–6(7–5), 6–4See main article: 2015 Prosperita Open – Doubles.
Andrej Martin / Hans Podlipnik Castillo def. Roman Jebavý / Jan Šátral, 4–6, 7–5, [10–1]