The 2021 Ostra Group Open was a professional tennis tournament played on clay courts. It was the 18th edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Ostrava, Czech Republic between 26 April and 2 May.
Singles main-draw entrants Seeds Country Player Rank1 SeedGrégoire Barrère1181Thiago Seyboth Wild1242Benjamin Bonzi1273Arthur Rinderknech1294Marc Polmans1485Maxime Cressy1566Alejandro Tabilo1627Mohamed Safwat1648 1 Rankings are as of 19 April 2021.
Other entrants The following players received wildcards into the singles main draw: Martin Krumich Jiří Lehečka Patrik Rikl
The following player received entry into the singles main draw as an alternate: Marcelo Tomás Barrios Vera
The following players received entry from the qualifying draw: Lukáš Klein Lucas Miedler Alex Molčan Oscar Otte
Champions Singles
Benjamin Bonzi def. Renzo Olivo 6–4, 6–4.
Doubles
Marc Polmans / Sergiy Stakhovsky def. Andrew Paulson / Patrik Rikl 7–6(7–4), 3–6, [10–7].
References