| 2025 Ostra Group Open | |
|---|---|
| Date | 28 April – 4 May |
| Edition | 22nd |
| Surface | Clay |
| Location | Ostrava, Czech Republic |
| Champions | |
| Singles | |
 Zsombor Piros | |
| Doubles | |
 Jan Jermář /  Stefan Latinović | |
The 2025 Ostra Group Open was a professional tennis tournament played on clay courts. It was the 22nd edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Ostrava, Czech Republic between 28 April and 4 May 2025. [1] [2]
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| CZE | Vít Kopřiva | 95 | 1 |
 DEN | Elmer Møller | 114 | 2 |
 FRA | Adrian Mannarino | 124 | 3 |
| CZE | Dalibor Svrčina | 127 | 4 |
| FRA | Harold Mayot | 160 | 5 |
 HKG | Coleman Wong | 169 | 6 |
 SVK | Lukáš Klein | 173 | 7 |
 LIB | Hady Habib | 174 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Petr Brunclík Norbert Gombos 
Max Houkes 
Àlex Martínez
Rudolf Molleker Jelle Sels The following player received entry as a lucky loser:
Zsombor Piros def. Hady Habib 6–3, 6–2. Jan Jermář / Stefan Latinović def. 
Finn Reynolds / James Watt 7–5, 6–3.