The 2003 Generali Open was a men's tennis tournament played on outdoor clay courts at the Tennis Stadium Kitzbühel in Kitzbühel in Austria and was part of the International Series Gold of the 2003 ATP Tour. It was the 48th edition of the tournament and ran from 21 July until 27 July 2003. Guillermo Coria won the singles title.
See main article: 2003 Generali Open – Singles. Guillermo Coria defeated Nicolás Massú 6–1, 6–4, 6–2
See main article: 2003 Generali Open – Doubles. Martin Damm / Cyril Suk defeated Jürgen Melzer / Alexander Peya 6–4, 6–4