I.ČLTK Prague Open
| Advantage Cars Prague Open | |||||||||
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| 2025 Advantage Cars Prague Open | |||||||||
| Tournament information | |||||||||
| Event name | Advantage Cars Prague Open | ||||||||
| Location | Prague, Czech Republic | ||||||||
| Venue | I. ČLTK Prague | ||||||||
| Category | Tier IV (1995, 1997, 2005–2008) Tier III (1998) WTA International (2009–2010) | ||||||||
| Surface | Clay / outdoors | ||||||||
| Website | Website | ||||||||
| Current champions (2024) | |||||||||
| Men's singles | Jiří Veselý | ||||||||
| Women's singles | Dominika Šalková | ||||||||
| Men's doubles | Jakob Schnaitter Mark Wallner | ||||||||
| Women's doubles | Jaimee Fourlis Dominika Šalková | ||||||||
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The Advantage Cars Prague Open (formerly I.ČLTK Prague Open) is a tennis tournament held in Prague, the capital of the Czech Republic. The tournament is part of the ATP Challenger Tour since 1991 (with an interruption in the years 2000, 2009–10) and the ITF Women's Circuit since 2011. It was part of the WTA Tour from 1995 until 2010. The event is held at I. ČLTK Prague on Štvanice island.
Jan Hernych is the singles record holder with three titles. Michal Tabara, Lukáš Rosol and Horacio Zeballos are the only three to win both singles and doubles in the same year.