2003 International Raiffeisen Grand Prix
| 2003 International Raiffeisen Grand Prix | |
|---|---|
| Date | May 19 – May 25 |
| Edition | 23rd |
| Category | International Series |
| Surface | Clay / Outdoor |
| Location | Sankt Pölten, Austria |
| Champions | |
| Singles | |
 Andy Roddick
|
|
| Doubles | |
 Simon Aspelin /  Massimo Bertolini
|
|
The 2003 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 2003 ATP Tour. The tournament ran from May 19 through May 25, 2003. Andy Roddick won the singles title.
Andy Roddick defeated 
Nikolay Davydenko 6–3, 6–2
Simon Aspelin / Massimo Bertolini defeated 
Sargis Sargsian / 
Nenad Zimonjić 6–4, 6–7(8–10), 6–3
...
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