I.ČLTK Prague Open
The Advantage Cars 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 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.