| 2020 RPM Open | |
|---|---|
| Date | 24–30 August 2020 |
| Edition | 1st |
| Category | ATP Challenger Tour |
| Prize money | $137,560 |
| Surface | Clay |
| Location | Prague, Czech Republic |
| Venue | TJ Spoje |
| Champions | |
| Singles | |
 Aslan Karatsev | |
| Doubles | |
 Sander Arends / David Pel | |
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.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 SUI |
Stan Wawrinka | 17 | 1 |
 FRA |
Pierre-Hugues Herbert | 71 | 2 |
 KOR |
Chung Hyeon | 142 | 3 |
 GER |
Yannick Maden | 149 | 4 |
 BEL |
Kimmer Coppejans | 154 | 5 |
 SVK |
Martin Kližan | 159 | 6 |
| FRA |
Arthur Rinderknech | 161 | 7 |
 LAT |
Ernests Gulbis | 162 | 8 |
 AUT |
Sebastian Ofner | 163 | 9 |
 CAN |
Steven Diez | 165 | 10 |
 GBR |
Jay Clarke | 167 | 11 |
 UKR |
Sergiy Stakhovsky | 169 | 12 |
| NED |
Robin Haase | 170 | 13 |
| SVK |
Filip Horanský | 171 | 14 |
| NED |
Botic van de Zandschulp | 173 | 15 |
 KAZ |
Dmitry Popko | 176 | 16 |
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:
Aslan Karatsev def. Tallon Griekspoor 6–4, 7–6(8–6). Sander Arends / David Pel def. 
André Göransson / 
Gonçalo Oliveira 7–5, 7–6(7–5)."První z challengerů bude na Štvanici od 17. do 23. srpna, druhý se stejnou dotací 137 560 eur na antukových kurtech Spojů na Žižkově 24. až 30" transl. " the first challenger will be in Stvanice from 17 to 23 August, the second with the same prize money of $137,560 will be on the red clay courts of Spoje, in Žižkov from 24 to 30 August
