2018 Moneta Czech Open

The 2018 Moneta Czech Open was a professional tennis tournament played on clay courts. It was the 25th edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Prostějov, Czech Republic between 4–9 June 2018.

Seeds

 * 1 Rankings are as of 28 May 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇧🇷 Thomaz Bellucci
 * Pablo Cuevas
 * 🇸🇰 Filip Horanský
 * 🇨🇿 Václav Šafránek

The following players received entry into the singles main draw as alternates:
 * 🇫🇷 Benjamin Bonzi
 * 🇫🇷 Vincent Millot

The following players received entry from the qualifying draw:
 * Martín Cuevas
 * 🇮🇹 Federico Gaio
 * 🇮🇹 Gianluca Mager
 * 🇨🇿 Jan Šátral

The following player received entry as a lucky loser:
 * 🇨🇿 Marek Jaloviec

Singles

 * 🇪🇸 Jaume Munar def. 🇷🇸 Laslo Đere 6–1, 6–3.

Doubles

 * 🇺🇦 Denys Molchanov / 🇸🇰 Igor Zelenay def. Martín Cuevas /  Pablo Cuevas 4–6, 6–3, [10–7].