Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The 2001 International Raiffeisen Grand Prix was a tennis tournament played on outdoor clay courts in Sankt Pölten in Austria and was part of the International Series of the 2001 ATP Tour. The tournament ran from May 21 through May 27, 2001. The Hypo Group Tennis International was an annual tennis tournament held in Pörtschach, Austria. The event was part of the ATP Tour's ATP International Series. The tournament had been held since 1981, on clay courts.