In the 2005 Austrian Open Singles, Nicolás Massú was the defending champion, but lost in the semifinals to Fernando Verdasco.
Third-seeded Gastón Gaudio won the title, defeating Verdasco 2–6, 6–2, 6–4, 6–4 in the final.
Seeds All seeds received a bye into the second round.
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
References
External links Main draw Qualifying draw