| 2024 Ostra Group Open | |
|---|---|
| Date | 22 – 28 April |
| Edition | 21st |
| Surface | Clay |
| Location | Ostrava, Czech Republic |
| Champions | |
| Singles | |
 Damir Džumhur | |
| Doubles | |
 Jaime Faria / Henrique Rocha | |
The 2024 Ostra Group Open was a professional tennis tournament played on clay courts. It was the 21st edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Ostrava, Czech Republic between 22 and 28 April 2024.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| BIH | Damir Džumhur | 126 | 1 |
 CAN | Gabriel Diallo | 157 | 2 |
 UKR | Vitaliy Sachko | 181 | 3 |
 FRA | Benjamin Bonzi | 182 | 4 |
| FRA | Enzo Couacaud | 196 | 5 |
 SWE | Elias Ymer | 200 | 6 |
| POR | Henrique Rocha | 206 | 7 |
 AUT | Lukas Neumayer | 207 | 8 |
The following players received wildcards into the singles main draw:
Jan Jermář Jan Kumstát
Peter Benjamín PrivaraThe following players received entry from the qualifying draw:
Buvaysar Gadamauri Norbert Gombos Dominik Kellovský Jakub Nicod David Pichler
Jelle Sels Damir Džumhur def. 
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