The 2020 RPM Open was a professional tennis tournament played on outdoor clay courts.

It was part of the 2020 ATP Challenger Tour.

It took place at the TJ Spoje[1][2] in the Žižkov neighbourhood of Prague, Czech Republic.

The following players received wildcards into the singles main draw: The following player received entry into the singles main draw using a protected ranking: The following players received entry from the qualifying draw: