The 2020 I.ČLTK Prague Open is a professional tennis tournament played on outdoor clay courts. It was part of the 2020 ATP Challenger Tour. It took place in Prague, Czech Republic between 17 August and 6 September 2020.
ATP singles main-draw entrants
Seeds
1 Rankings are as of 16 March 2020.
Other entrants
The following players received wildcards into the singles main draw: Jonáš Forejtek Jiří Lehečka Andrew Paulson Michael Vrbenský Stan Wawrinka
The following players received entry into the singles main draw using a protected ranking: Arthur De Greef Andrey Kuznetsov
The following players received entry from the qualifying draw: Petr Nouza Jan Šátral
Champions
Men's singles
Stan Wawrinka def. Aslan Karatsev 7–6(7–2), 6–4.
Men's doubles
Pierre-Hugues Herbert / Arthur Rinderknech def. Zdeněk Kolář / Lukáš Rosol 6–3, 6–4.