The Sparta Prague Open Challenger is a professional tennis tournament played on clay courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour. It has been held in Prague, Czech Republic since 2000[1] at TK Sparta Prague, founded in 1905 near Stromovka, inside Prague's Bubeneč district.
"Štvanickou sérii přetrhl až rok 2000, kdy se sice hrálo pod stejným názvem,ale na kurtech Sparty. O rok později se turnaj znovu vrátil na Štvanici" transl. "The Štvanice series was not interrupted until the year 2000, when it was played on Sparta Club. A year later the tournament returned to Štvanice