2018 Prosperita Open

The 2018 Prosperita Open was a professional tennis tournament played on clay courts. It was the 15th edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Ostrava, Czech Republic between 30 April and 6 May.

Seeds

 * 1 Rankings are as of 23 April 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇨🇿 Marek Gengel
 * 🇨🇿 Dominik Kellovský
 * 🇨🇿 Patrik Rikl
 * 🇨🇿 Matěj Vocel

The following players received entry from the qualifying draw:
 * 🇫🇷 Elliot Benchetrit
 * 🇫🇷 Mathias Bourgue
 * 🇫🇷 Evan Furness
 * 🇪🇸 Pedro Martínez

Singles

 * 🇧🇪 Arthur De Greef def. Nino Serdarušić 4–6, 6–4, 6–2.

Doubles

 * 🇭🇺 Attila Balázs / Gonçalo Oliveira def. 🇨🇿 Lukáš Rosol / 🇺🇦 Sergiy Stakhovsky 6–0, 7–5.