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.

  1. Russia Nikolay Davydenko (second round)
  2. Argentina Mariano Puerta (third round)
  3. Argentina Gastón Gaudio (champion)
  4. Chile Fernando González (third round)
  5. Spain Feliciano López (quarterfinals)
  6. Russia Mikhail Youzhny (quarterfinals)
  7. Chile Nicolás Massú (semifinals)
  8. Belgium Olivier Rochus (second round)
  9. Austria Jürgen Melzer (third round)
  10. Romania Andrei Pavel (third round, retired due to heat exhaustion)
  11. Argentina José Acasuso (second round)
  12. Belgium Christophe Rochus (second round, retired due to cramps)
  13. Russia Igor Andreev (second round)
  14. Peru Luis Horna (second round)
  15. Romania Victor Hănescu (quarterfinals)
  16. France Paul-Henri Mathieu (second round, retired due to gastritis)

Draw

Key

  • Q = Qualifier
  • WC = Wild card
  • LL = Lucky loser
  • Alt = Alternate
  • ITF = ITF entry
  • PR = Protected ranking
  • SR = Special ranking
  • SE = Special exempt
  • JE = Junior exempt
  • JR = Junior Accelerator Programme entrant
  • CO = College Accelerator Programme entrant
  • NG = Next Gen Accelerator Program entrant
  • w/o = Walkover
  • r = Retired
  • d = Defaulted

Finals

QuarterfinalsSemifinalsFinal
Argentina Mariano Zabaleta66
5Spain Feliciano López42
Argentina Mariano Zabaleta11
3Argentina Gastón Gaudio66
3Argentina Gastón Gaudio646
6Russia Mikhail Youzhny464
3Argentina Gastón Gaudio2666
Spain Fernando Verdasco6244
7Chile Nicolás Massú6606
WCEcuador Nicolás Lapentti4772
7Chile Nicolás Massú635
Spain Fernando Verdasco367
Spain Fernando Verdasco66
15Romania Victor Hănescu33

Top half

Section 1

First roundSecond roundThird roundQuarterfinals
1Russia N Davydenko465
France J Haehnel263Argentina M Zabaleta677
Argentina M Zabaleta677Argentina M Zabaleta646
Romania R Sabău32Spain N Almagro363
Spain N Almagro66Spain N Almagro66
13Russia I Andreev32
Argentina M Zabaleta66
5Spain F López42
11Argentina J Acasuso34
Argentina J Mónaco7644Germany F Mayer66
Germany F Mayer5776Germany F Mayer51
Netherlands R Sluiter235Spain F López76
Italy A di Mauro66Italy A di Mauro644
5Spain F López776

Section 2

First roundSecond roundThird roundQuarterfinals
3Argentina G Gaudio76
Germany P Kohlschreiber66Germany P Kohlschreiber53
Spain A Costa243Argentina G Gaudio66
QAustralia P Luczak364Czech Republic R Vik42
Czech Republic R Vik677Czech Republic R Vik71
16France P-H Mathieu50r
3Argentina G Gaudio646
6Russia M Youzhny464
10Romania A Pavel6377
Spain D Sánchez33Germany R Schüttler4664
Germany R Schüttler6610Romania A Pavel20r
QRussia Y Schukin3656Russia M Youzhny61
Czech Republic I Minář677Czech Republic I Minář05
6Russia M Youzhny67

Bottom half

Section 3

First roundSecond roundThird roundQuarterfinals
7Chile N Massú777
Czech Republic M Tabara6464WCAustria D Köllerer655
WCAustria D Köllerer77367Chile N Massú76
QUnited States H Armando42Austria S Koubek52
Austria S Koubek66Austria S Koubek465
12Belgium C Rochus644r
7Chile N Massú6606
WCEcuador N Lapentti4772
14Peru L Horna41
Argentina A Calleri40rWCEcuador N Lapentti66
WCEcuador N Lapentti63WCEcuador N Lapentti476
Czech Republic T Zíb6524Chile F González653
WCAustria O Marach376WCAustria O Marach34
4Chile F González66

Section 4

First roundSecond roundThird roundQuarterfinals
8Belgium O Rochus53
Spain F Verdasco66Spain F Verdasco76
Italy A Seppi24Spain F Verdasco166
QSerbia and Montenegro D Vemić6169Austria J Melzer621
WCAustria M Hipfl363QSerbia and Montenegro D Vemić263
9Austria J Melzer636
Spain F Verdasco66
15Romania V Hănescu33
15Romania V Hănescu66
Spain S Ventura42Germany T Behrend01
Germany T Behrend6615Romania V Hănescu66
QSpain R Ramírez Hidalgo332Argentina M Puerta43
QGeorgia (country) I Labadze66QGeorgia (country) I Labadze34
2Argentina M Puerta66

External links