2021 Ostrava Challenger
Tennis tournament
From Wikipedia, the free encyclopedia
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.
| 2021 Ostrava Challenger | |
|---|---|
| Date | 26 April – 2 May |
| Edition | 18th |
| Surface | Clay |
| Location | Ostrava, Czech Republic |
| Champions | |
| Singles | |
 Benjamin Bonzi | |
| Doubles | |
 Marc Polmans /  Sergiy Stakhovsky | |
Singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| FRA |
Grégoire Barrère | 118 | 1 |
 BRA |
Thiago Seyboth Wild | 124 | 2 |
| FRA |
Benjamin Bonzi | 127 | 3 |
| FRA |
Arthur Rinderknech | 129 | 4 |
| AUS |
Marc Polmans | 148 | 5 |
 USA |
Maxime Cressy | 156 | 6 |
 CHI |
Alejandro Tabilo | 162 | 7 |
 EGY |
Mohamed Safwat | 164 | 8 |
- 1 Rankings are as of 19 April 2021.[1]
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:
The following players received entry from the qualifying draw:
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].