# 2006 Austrian Open – Singles

Gastón Gaudio was the defending champion, but lost in the quarterfinals to Agustín Calleri.
Calleri went on to win the title, defeating Juan Ignacio Chela 7–6$^{(11–9)}$, 6–2, 6–3 in the final.

## Seeds

* Nikolay Davydenko (second round)
* Tommy Robredo (second round)
* Jarkko Nieminen (third round)
* Gastón Gaudio (quarterfinals)
* Fernando Verdasco (semifinals)
* Nicolás Massú (third round)
* Juan Ignacio Chela (final)
* Mikhail Youzhny (semifinals)
* Agustín Calleri (champion)
* Max Mirnyi (third round)
* Luis Horna (second round, retired)
* Andreas Seppi (second round)
* Philipp Kohlschreiber (quarterfinals)
* Christophe Rochus (second round)
* Boris Pašanski (second round)
* Andrei Pavel (third round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final | Final | |
| | Nicolás Lapentti | 4 | 4 | | | | | | | | | | | | | |
| 5 | Fernando Verdasco | 6 | 6 | | | | | | | | | | | | | |
| 5 | Fernando Verdasco | 6 | 6 | | 5 | Fernando Verdasco | 6 | 1 | 3 | | | | | | | |
| | | | | | 9 | Agustín Calleri | 4 | 6 | 6 | | | | | | | |
| 4 | Gastón Gaudio | 5 | 0 | | 9 | Agustín Calleri | 4 | 6 | 6 | | | | | | | |
| 9 | Agustín Calleri | 7 | 6 | | | | | | | | | | | | | |
| 9 | Agustín Calleri | 7 | 6 | | | | | | | 9 | Agustín Calleri | 7$^{11}$ | 6 | 6 | | |
| | | | | | | | | | | 7 | Juan Ignacio Chela | 6$^9$ | 2 | 3 | | |
| 7 | Juan Ignacio Chela | 6 | 6 | | | | | | | | | | | | 7 | Juan Ignacio Chela | 6$^9$ | 2 | 3 |
| 13 | Philipp Kohlschreiber | 4 | 4 | | | | | | | | | | | | | |
| 13 | Philipp Kohlschreiber | 4 | 4 | | 7 | Juan Ignacio Chela | 6 | 4 | 6 | | | | | | | |
| | | | | | 8 | Mikhail Youzhny | 2 | 6 | 4 | | | | | | | |
| 8 | Mikhail Youzhny | 6 | 3 | 6 | 8 | Mikhail Youzhny | 2 | 6 | 4 | | | | | | | |
| | Jürgen Melzer | 3 | 6 | 3 | | | | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | N Davydenko | 3 | 3 | | | | | | | | | |
| | N Lapentti | 7$^{12}$ | 6 | | | N Lapentti | 6 | 6 | | | | | | | | | |
| | T Zíb | 6$^{10}$ | 3 | | | | | | | | N Lapentti | 6 | 6 | | | | |
| | JA Marín | 6 | 4 | 6$^1$ | | | | | | | S Koubek | 3 | 3 | | | | |
| | S Koubek | 3 | 6 | 7$^7$ | | S Koubek | 6 | 3 | 6 | | | | | | | | |
| | | | | | 15 | B Pašanski | 1 | 6 | 2 | | | | | | | | |
| | | | | | | | | | | | | | | | N Lapentti | 4 | 4 |
| | | | | | | | | | | | | | | 5 | F Verdasco | 6 | 6 |
| | | | | | 10 | M Mirnyi | 6 | 6 | | | | | | | | | |
| Q | D Patriarca | 7$^7$ | 2 | 3 | WC | A Haider-Maurer | 2 | 4 | | | | | | | | | |
| WC | A Haider-Maurer | 6$^5$ | 6 | 6 | | | | | | 10 | M Mirnyi | 4 | 5 | | | | |
| | A Waske | 6 | 3 | 7$^8$ | | | | | | 5 | F Verdasco | 6 | 7 | | | | |
| | Ł Kubot | 3 | 6 | 6$^6$ | | A Waske | 3 | 3 | | | | | | | | | |
| | | | | | 5 | F Verdasco | 6 | 6 | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 4 | G Gaudio | 7$^7$ | 4 | | | | | | | | | | |
| Q | L Azzaro | 4 | 2 | | | J Mónaco | 6$^4$ | 1$^r$ | | | | | | | | | | |
| | J Mónaco | 6 | 6 | | | | | | | 4 | G Gaudio | 6$^1$ | 7$^9$ | 6 | | | | |
| | M Berrer | 3 | 6 | 6$^6$ | | | | | | | D Gremelmayr | 7$^7$ | 6$^7$ | 0 | | | | |
| | D Gremelmayr | 6 | 3 | 7$^8$ | | D Gremelmayr | 7 | 6 | | | | | | | | | | |
| | | | | | 14 | C Rochus | 5 | 1 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 4 | G Gaudio | 5 | 0 |
| | | | | | | | | | | | | | | | 9 | A Calleri | 7 | 6 |
| | | | | | 9 | A Calleri | 7$^7$ | 6 | | | | | | | | | | |
| WC | R Eitzinger | 6 | 6 | | WC | R Eitzinger | 6$^3$ | 3 | | | | | | | | | | |
| | O Marach | 3 | 0 | | | | | | | 9 | A Calleri | 6 | 7$^7$ | | | | | |
| Q | Á Calatrava | 4 | 6 | 6 | | | | | | 6 | N Massú | 2 | 6$^4$ | | | | | |
| LL | D Junqueira | 6 | 3 | 4 | Q | Á Calatrava | 6 | 5 | 6$^3$ | | | | | | | | | |
| | | | | | 6 | N Massú | 3 | 7 | 7$^7$ | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | JI Chela | 6$^4$ | 6 | 6 | | | | | | | | | |
| | R Schüttler | 1 | 0$^r$ | | | M Zabaleta | 7$^7$ | 3 | 3 | | | | | | | | | |
| | M Zabaleta | 6 | 0 | | | | | | | 7 | JI Chela | 6 | 6 | | | | | |
| WC | A Sandbichler | 3 | 3 | | | | | | | Q | D Vemić | 4 | 0 | | | | | |
| Q | D Vemić | 6 | 6 | | Q | D Vemić | 7$^7$ | 5 | | | | | | | | | | |
| | | | | | 11 | L Horna | 6$^3$ | 2$^r$ | | | | | | | | | | |
| | | | | | | | | | | | | | | | 7 | JI Chela | 6 | 6 |
| | | | | | | | | | | | | | | | 13 | P Kohlschreiber | 4 | 4 |
| | | | | | 13 | P Kohlschreiber | 7$^7$ | 7 | | | | | | | | | | |
| | I Minář | 1 | 6 | 1 | Q | P Luczak | 6$^3$ | 5 | | | | | | | | | | |
| Q | P Luczak | 6 | 3 | 6 | | | | | | 13 | P Kohlschreiber | 6 | 4 | 6 | | | | |
| | R Sabău | 4 | 3 | | | | | | | 3 | J Nieminen | 2 | 6 | 3 | | | | |
| Q | S Roitman | 6 | 6 | | Q | S Roitman | 3 | 6 | 4 | | | | | | | | | |
| | | | | | 3 | J Nieminen | 6 | 1 | 6 | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 8 | M Youzhny | 0 | 6 | 7$^7$ | | | | | | | | | |
| | D Norman | 0 | 4 | | | M Vassallo Argüello | 6 | 4 | 6$^2$ | | | | | | | | | |
| | M Vassallo Argüello | 6 | 6 | | | | | | | 8 | M Youzhny | 6 | 6 | | | | | |
| WC | W Eschauer | 6 | 6$^6$ | 4 | | | | | | | E Massa | 4 | 1 | | | | | |
| | E Massa | 3 | 7$^8$ | 6 | | E Massa | 7$^7$ | 7$^7$ | | | | | | | | | | |
| | | | | | 12 | A Seppi | 6$^5$ | 6$^5$ | | | | | | | | | | |
| | | | | | | | | | | | | | | 8 | M Youzhny | 6 | 3 | 6 |
| | | | | | | | | | | | | | | | J Melzer | 3 | 6 | 3 |
| | | | | | 16 | A Pavel | 6 | 6 | | | | | | | | | | |
| | M Daniel | 6 | 6 | | | M Daniel | 4 | 4 | | | | | | | | | | |
| | A Montañés | 4 | 3 | | | | | | | 16 | A Pavel | 5 | 3 | | | | | |
| | Ó Hernández | 3 | 4 | | | | | | | | J Melzer | 7 | 6 | | | | | |
| | J Melzer | 6 | 6 | | | J Melzer | 6 | 7 | | | | | | | | | | |
| | | | | | 2 | T Robredo | 2 | 5 | | | | | | | | | | |