This article relies largely or entirely on a single source .(September 2022) |
| 2021 IBG Prague Open | |
|---|---|
| Date | 23–29 August |
| Category | ATP Challenger Tour |
| Draw | 32S / 16D |
| Surface | Clay |
| Location | Prague, Czech Republic |
| Champions | |
| Singles | |
| | |
| Doubles | |
| | |
The 2021 IBG Prague Open was a professional tennis tournament played on clay courts. It was part of the 2021 ATP Challenger Tour. It took place in Prague, Czech Republic, between 23 and 29 August 2021.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| Evgeny Karlovskiy | 290 | 1 | |
| Alexander Ritschard | 300 | 2 | |
| Evgenii Tiurnev | 310 | 3 | |
| Geoffrey Blancaneaux | 311 | 4 | |
| Jonáš Forejtek | 315 | 5 | |
| Michael Geerts | 319 | 6 | |
| Filip Jianu | 320 | 7 | |
| Miljan Zekić | 324 | 8 |
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: