# 2006 BMW Open – Singles

David Nalbandian was the defending champion, but did not participate this year.
Olivier Rochus won the title, defeating Kristof Vliegen 6–4, 6–2 in the all Belgian final.

## Seeds

* Guillermo Coria (first round)
* Mario Ančić (first round)
* Jarkko Nieminen (semifinals)
* Tommy Haas (first round)
* Olivier Rochus (champion)
* Paradorn Srichaphan (first round)
* Mikhail Youzhny (first round)
* Florent Serra (first 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

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 5 | Olivier Rochus | 6 | 6$^1$ | 6 | | | | |
| | Jürgen Melzer | 4 | 7$^7$ | 3 | | | | |
| | Jürgen Melzer | 4 | 7$^7$ | 3 | 5 | Olivier Rochus | 6 | 6 |
| | | | | | | Kristof Vliegen | 4 | 2 |
| 3 | Jarkko Nieminen | 1 | 2 | | | Kristof Vliegen | 4 | 2 |
| | Kristof Vliegen | 6 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | G Coria | 6 | 2 | 3 | | | | | | | | | | | | | | |
| Q | D Gremelmayr | 3 | 6 | 6 | Q | D Gremelmayr | 6 | 6 | | | | | | | | | | |
| Q | A Peya | 6 | 6 | | Q | A Peya | 4 | 4 | | | | | | | | | | |
| Q | D Kindlmann | 3 | 4 | | | | | | | Q | D Gremelmayr | 4 | 5 | | | | | |
| Q | T Summerer | 1 | 2 | | | | | | | 5 | O Rochus | 6 | 7 | | | | | |
| | R Ramírez Hidalgo | 6 | 6 | | | R Ramírez Hidalgo | 2 | 6$^6$ | | | | | | | | | | |
| LL | J Silva | 2 | 0 | | 5 | O Rochus | 6 | 7$^8$ | | | | | | | | | | |
| 5 | O Rochus | 6 | 6 | | | | | | | | | | | 5 | O Rochus | 6 | 6$^1$ | 6 |
| 4 | T Haas | 3 | 6$^3$ | | | | | | | | | | | | J Melzer | 4 | 7$^7$ | 3 |
| | I Karlović | 6 | 7$^7$ | | | I Karlović | 4 | 6 | 7$^{10}$ | | | | | | | | | |
| LL | T Behrend | 2$^r$ | | | | B Phau | 6 | 3 | 6$^8$ | | | | | | | | | |
| | B Phau | 3 | | | | | | | | | I Karlović | 6$^4$ | 1 | | | | | |
| WC | S Greul | 6 | 6$^0$ | 7$^{10}$ | | | | | | | J Melzer | 7$^7$ | 6 | | | | | |
| | B Pašanski | 3 | 7$^7$ | 6$^8$ | WC | S Greul | 3 | 6 | 4 | | | | | | | | | |
| | J Melzer | 6 | 6 | | | J Melzer | 6 | 1 | 6 | | | | | | | | | |
| 7 | M Youzhny | 3 | 4 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | P Srichaphan | 4 | 4 | | | | | | | | | | | | | | | |
| | J Mónaco | 6 | 6 | | | J Mónaco | 6$^3$ | 6 | 4 | | | | | | | | | |
| | R Vik | 7$^7$ | 4 | 6 | | R Vik | 7$^7$ | 4 | 6 | | | | | | | | | |
| | R Schüttler | 6$^5$ | 6 | 3 | | | | | | | R Vik | 5 | 6 | 2 | | | | |
| WC | A Waske | 7$^7$ | 6 | | | | | | | 3 | J Nieminen | 7 | 2 | 6 | | | | |
| | F Mayer | 6$^4$ | 3 | | WC | A Waske | 6$^2$ | 3 | | | | | | | | | | |
| | A Pavel | 6$^3$ | 6$^7$ | | 3 | J Nieminen | 7$^7$ | 6 | | | | | | | | | | |
| 3 | J Nieminen | 7$^7$ | 7$^9$ | | | | | | | | | | | | 3 | J Nieminen | 1 | 2 |
| 8 | F Serra | 7$^8$ | 5 | 4 | | | | | | | | | | | | K Vliegen | 6 | 6 |
| | R Söderling | 6$^6$ | 7 | 6 | | R Söderling | 7 | 3 | 2 | | | | | | | | | |
| | J Tipsarević | 7 | 2 | 4 | | K Vliegen | 5 | 6 | 6 | | | | | | | | | |
| | K Vliegen | 5 | 6 | 6 | | | | | | | K Vliegen | 7 | 6 | | | | | |
| WC | A Beck | 6$^3$ | 6 | 4 | | | | | | | P Kohlschreiber | 5 | 4 | | | | | |
| | J Hernych | 7$^7$ | 4 | 6 | | J Hernych | 6 | 0 | 5 | | | | | | | | | |
| | P Kohlschreiber | 7$^7$ | 7$^7$ | | | P Kohlschreiber | 3 | 6 | 7 | | | | | | | | | |
| 2 | M Ančić | 6$^3$ | 6$^5$ | | | | | | | | | | | | | | | |