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 in the Žižkov neighbourhood of Prague, Czech Republic.

Singles main-draw entrants

Seeds

CountryPlayerRank1Seed
SUIStan Wawrinka171
FRAPierre-Hugues Herbert712
KORChung Hyeon1423
GERYannick Maden1494
BELKimmer Coppejans1545
SVKMartin Kližan1596
FRAArthur Rinderknech1617
LATErnests Gulbis1628
AUTSebastian Ofner1639
CANSteven Diez16510
GBRJay Clarke16711
UKRSergiy Stakhovsky16912
NEDRobin Haase17013
SVKFilip Horanský17114
NEDBotic van de Zandschulp17315
KAZDmitry Popko17616
  • 1 Rankings are as of 16 March 2020.

Other entrants

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:

Champions

Singles

Doubles