2018 Advantage Cars Prague Open

The 2018 Advantage Cars Prague Open, also known as Advantage Cars Prague Open by Sport-Technik Bohemia for sponsorship reasons, was a professional tennis tournament played on outdoor clay courts. It was the 25th (ATP) and fourth (ITF) editions of the tournament and was part of the 2018 ATP Challenger Tour and also of the 2018 ITF Women's Circuit as 14th edition of the tournament. It took place in Prague, Czech Republic, on 23–29 July 2018.

Seeds

 * 1 Rankings are as of 16 July 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇨🇿 Marek Podlešák
 * 🇨🇿 Patrik Rikl
 * 🇨🇿 Jan Šátral
 * 🇸🇰 Dominik Šproch

The following players received entry into the singles main draw as special exempts:
 * 🇩🇪 Daniel Brands
 * 🇦🇹 Jurij Rodionov

The following players received entry from the qualifying draw:
 * 🇸🇰 Filip Horanský
 * 🇨🇿 Pavel Nejedlý
 * 🇩🇪 Marc Sieber
 * Tim van Rijthoven

Seeds

 * 1 Rankings as of 16 July 2018.

Other entrants
The following players received a wildcard into the singles main draw:
 * 🇨🇿 Lucie Hradecká
 * 🇨🇿 Jesika Malečková
 * 🇨🇿 Barbora Štefková
 * 🇵🇱 Iga Świątek

The following players received entry from the qualifying draw:
 * 🇸🇪 Cornelia Lister
 * Tena Lukas
 * 🇧🇪 An-Sophie Mestach
 * 🇮🇹 Lucrezia Stefanini

The following player received entry as a lucky loser:
 * 🇨🇿 Anastasia Dețiuc

Men's singles

 * 🇨🇿 Lukáš Rosol def. 🇰🇿 Aleksandr Nedovyesov 4–6, 6–3, 6–4.

Women's singles

 * Richèl Hogenkamp def. 🇮🇹 Martina Di Giuseppe, 6–4, 6–2

Men's doubles

 * 🇧🇪 Sander Gillé / 🇧🇪 Joran Vliegen def. 🇧🇷 Fernando Romboli / 🇪🇸 David Vega Hernández 6–4, 6–2.

Women's doubles

 * 🇸🇪 Cornelia Lister / 🇷🇸 Nina Stojanović def. Bibiane Schoofs / 🇧🇪 Kimberley Zimmermann, 6–2, 2–6, [10–8]