2021 Svijany Open

The 2021 Svijany Open was a professional tennis tournament played on clay courts. It was the 8th edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Liberec, Czech Republic between 2 and 8 August 2021.

Seeds

 * 1 Rankings are as of 26 July 2021.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇨🇿 Jonáš Forejtek
 * 🇨🇿 Dalibor Svrčina
 * 🇨🇿 Michael Vrbenský

The following player received entry into the singles main draw using a protected ranking:
 * 🇦🇹 Gerald Melzer

The following player received entry into the singles main draw as a special exempt:
 * Tim van Rijthoven

The following player received entry into the singles main draw as an alternate:
 * 🇹🇳 Malek Jaziri

The following players received entry from the qualifying draw:
 * 🇫🇷 Evan Furness
 * 🇷🇸 Nikola Milojević
 * 🇺🇸 Alexander Ritschard
 * 🇨🇿 Daniel Siniakov

The following player received entry as a lucky loser:
 * 🇪🇸 David Vega Hernández

Singles

 * 🇸🇰 Alex Molčan def. 🇨🇿 Tomáš Macháč 6–0, 6–1.

Doubles

 * 🇨🇿 Roman Jebavý / 🇸🇰 Igor Zelenay def. 🇫🇷 Geoffrey Blancaneaux / 🇫🇷 Maxime Janvier 6–2, 6–7(6–8), [10–5].