Analysis of information sources in references of the Wikipedia article "I.ČLTK Prague Open" in English language version.
"Mimochodem – úplně prvním vítězem turnaje se stal v roce 1991 mladičký Jan Kodeš junior" transl. "just for the record, the very first winner of the tournament in 1991 was a young Kodes, who defeated in the final the swedish Enqvist, who would have become a great tennis player
"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
