| 2003 International Raiffeisen Grand Prix | |
|---|---|
| Date | 19–25 May |
| Edition | 23rd |
| Category | International Series |
| Draw | 32S / 16D |
| Surface | Clay / outdoor |
| Location | Sankt Pölten,Austria |
| Champions | |
| Singles | |
 Andy Roddick[1] | |
| Doubles | |
 Simon Aspelin / Massimo Bertolini[2] | |
The2003 International Raiffeisen Grand Prix was a men'stennis tournament played onoutdoor clay courts inSankt Pölten,Austria and was part of theInternational Series of the2003 ATP Tour. It was the 23rd edition of the tournament and was held from 19 May through 25 May 2003. First-seededAndy 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