The 2020 Prosperita Open was a professional tennis tournament played on clay courts. It was the 17th edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Ostrava, Czech Republic between 31 August and 6 September. Singles main-draw entrants Seeds 1 Rankings are as of 24 August 2020. Other entrants The following players received wildcards into the singles main draw: Tomáš Macháč Dalibor Svrčina Otto Virtanen The following players received entry into the singles main draw as special exempts: Tallon Griekspoor Aslan Karatsev The following players received entry from the qualifying draw: Marc-Andrea Hüsler Zdeněk Kolář Vít Kopřiva Mats Moraing The following player received entry as a lucky loser: Malek Jaziri Champions Singles Aslan Karatsev def. Oscar Otte 6–4, 6–2. Doubles Artem Sitak / Igor Zelenay def. Karol Drzewiecki / Szymon Walków 7–5, 6–4. References External links Official Website 2020 ATP Challenger Tour 2020 2020 in Czech tennis August 2020 sports events in the Czech Republic September 2020 sports events in the Czech Republic