The 2023 Ostra Group Open was a professional tennis tournament played on clay courts. It was the 20th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Ostrava, Czech Republic between 24 and 30 April 2023.

2023 Ostra Group Open
Date24 – 30 April
Edition20th
SurfaceClay
LocationOstrava, Czech Republic
Champions
Singles
Czech Republic Zdeněk Kolář
Doubles
United States Robert Galloway / Mexico Miguel Ángel Reyes-Varela
← 2022 · Ostra Group Open · 2024 →

Singles main-draw entrants

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Seeds

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Country Player Rank1 Seed
  GBR Ryan Peniston 158 1
Ivan Gakhov 162 2
  CZE Vít Kopřiva 165 3
  FRA Geoffrey Blancaneaux 175 4
  CHI Alejandro Tabilo 176 5
  ITA Riccardo Bonadio 179 6
  UKR Oleksii Krutykh 180 7
  BIH Damir Džumhur 202 8
  CZE Dalibor Svrčina 203 9
  • 1 Rankings are as of 17 April 2023.[1]

Other entrants

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The following players received wildcards into the singles main draw:

The following players received entry into the singles main draw as alternates:

The following players received entry from the qualifying draw:

Champions

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Singles

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Doubles

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References

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  1. ^ "Rankings – Singles – ATP Tour – Tennis". ATP Tour.