| Ostra Group Open | |
|---|---|
| ATP Challenger Tour | |
| Event name | Ostra Group Open (2021-), Prosperita Open |
| Location | Ostrava,Czech Republic |
| Venue | SC Ostrava |
| Category | ATP Challenger Tour |
| Surface | Clay |
| Draw | 32S/30Q/16D |
| Prize money | €91,250 (2025), 42,500+H |
| Website | Website |


TheOstra Group Open, formerly known asProsperita Open, is a professionaltennis tournament played on outdoorred clay courts. It is currently part of theAssociation of Tennis Professionals (ATP)Challenger Tour. It has been held annually inOstrava,Czech Republic, since 2004.[1][2]
Pavel Šnobel andSergiy Stakhovsky have won two doubles titles each. Stakhovsky won his second doubles title 13 years after his first win.
Jan Hájek,Stéphane Robert, andAndrey Kuznetsov won both singles and doubles title the same year.
| Year | Champion | Runner-up | Score |
|---|---|---|---|
| 2025 | 6–3, 6–2 | ||
| 2024 | 6–2, 4–6, 7–5 | ||
| 2023 | 6–3, 6–2 | ||
| 2022 | 4–6, 7–6(8–6), 6–1 | ||
| 2021 | 6–4, 6–4 | ||
| 2020 | 6–4, 6–2 | ||
| 2019 | 6–1, 6–0 | ||
| 2018 | 4–6, 6–4, 6–2 | ||
| 2017 | 6–2, 3–6, 6–4 | ||
| 2016 | 6–7(5–7), 6–1, 6–2 | ||
| 2015 | 7–6(7–5), 6–4 | ||
| 2014 | 2–6, 6–3, 6–0 | ||
| 2013 | 6–4, 6–4 | ||
| 2012 | 7–5, 6–2 | ||
| 2011 | 6–1, 6–3 | ||
| 2010 | 7–5, 4–6, 7–6(7–4) | ||
| 2009 | 7–5, 6–1 | ||
| 2008 | 6–3, 4–6, 6–1 | ||
| 2007 | 6–4, 6–4 | ||
| 2006 | 6–1, 6–0 | ||
| 2005 | 6–4, 7–6(7–4) | ||
| 2004 | 6–3, 7–6(7–5) |