# 2006 SAP Open – Singles

Andy Roddick was the defending champion, but lost in the semifinals to eventual champion Andy Murray.
Murray defeated Lleyton Hewitt 2–6, 6–1, 7–6$^{(7–3)}$, to become 2006 SAP Open Champion, and claim his first ever ATP Tour title.

## Seeds

* Andy Roddick (semifinals)
* Andre Agassi (withdrew)
* Lleyton Hewitt (final)
* Tommy Robredo (first round)
* James Blake (first round)
* Victor Hănescu (withdrew)
* Dmitry Tursunov (second round)
* Ivo Karlović (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 | Final | Final | Final | Final | Final |
| 1 | Andy Roddick | 5 | 5 | | | | | |
| | Andy Murray | 7 | 7 | | | | | |
| | Andy Murray | 7 | 7 | | Andy Murray | 2 | 6 | 7$^7$ |
| | | | | 3 | Lleyton Hewitt | 6 | 1 | 6$^3$ |
| 3 | Lleyton Hewitt | 6 | 6 | 3 | Lleyton Hewitt | 6 | 1 | 6$^3$ |
| | Vince Spadea | 3 | 4 | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | A Roddick | 6 | 6 | | | | | | | | | | | | | | | |
| | G García López | 3 | 4 | | 1 | A Roddick | 6 | 1 | 6 | | | | | | | | | |
| | L Dlouhý | 6 | 2 | 1 | | K Carlsen | 3 | 6 | 3 | | | | | | | | | |
| | K Carlsen | 3 | 6 | 6 | | | | | | 1 | A Roddick | 6 | 6 | | | | | |
| | C Saulnier | 4 | 5 | | | | | | | | B Phau | 3 | 2 | | | | | |
| | B Phau | 6 | 7 | | | B Phau | 7 | 7 | | | | | | | | | | |
| Q | B Wilson | 7 | 7 | | Q | B Wilson | 5 | 5 | | | | | | | | | | |
| 8 | I Karlović | 6$^1$ | 6$^5$ | | | | | | | | | | | | 1 | A Roddick | 5 | 5 |
| 4 | T Robredo | 6 | 5 | 5 | | | | | | | | | | | | A Murray | 7 | 7 |
| WC | M Philippoussis | 3 | 7 | 7 | WC | M Philippoussis | 2 | 3 | | | | | | | | | | |
| | A Pavel | 3 | 4 | | | R Söderling | 6 | 6 | | | | | | | | | | |
| | R Söderling | 6 | 6 | | | | | | | | R Söderling | 6 | 5 | 4 | | | | |
| | A Murray | 6 | 6 | | | | | | | | A Murray | 4 | 7 | 6 | | | | |
| WC | M Fish | 2 | 2 | | | A Murray | 6 | 6 | | | | | | | | | | |
| | W Yeu-tzuoo | 6 | 7 | | | W Yeu-tzuoo | 4 | 2 | | | | | | | | | | |
| 5 | J Blake | 3 | 5 | | | | | | | | | | | | | | | |

### 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 |
| 7 | D Tursunov | 4 | 6 | 6 | | | | | | | | | | | | | | |
| | J Björkman | 6 | 3 | 2 | 7 | D Tursunov | 3 | 7 | 3 | | | | | | | | | |
| | W Arthurs | 4 | 7 | 7 | | W Arthurs | 6 | 6$^5$ | 6 | | | | | | | | | |
| | B Reynolds | 6 | 5 | 5 | | | | | | | W Arthurs | 6$^4$ | 2 | | | | | |
| | J Johansson | 3 | 6 | 3 | | | | | | 3 | L Hewitt | 7 | 6 | | | | | |
| Q | S Warburg | 6 | 4 | 6 | Q | S Warburg | 4 | 3 | | | | | | | | | | |
| | P Goldstein | 4 | 2 | | 3 | L Hewitt | 6 | 6 | | | | | | | | | | |
| 3 | L Hewitt | 6 | 6 | | | | | | | | | | | | 3 | L Hewitt | 6 | 6 |
| LL | B Rehnquist | 1 | 4 | | | | | | | | | | | | | V Spadea | 3 | 4 |
| Q | J Gimelstob | 6 | 6 | | Q | J Gimelstob | 6$^1$ | 6 | 2 | | | | | | | | | |
| | R Schüttler | 1 | 3 | | | K Vliegen | 7 | 4 | 6 | | | | | | | | | |
| | K Vliegen | 6 | 6 | | | | | | | | K Vliegen | 1 | 6 | 3 | | | | |
| Q | S Querrey | 7 | 4 | 2 | | | | | | | V Spadea | 6 | 2 | 6 | | | | |
| | V Spadea | 6$^4$ | 6 | 6 | | V Spadea | 6 | 6 | | | | | | | | | | |
| WC | S Jenkins | 5 | 6 | 3 | LL | T Rettenmaier | 2 | 0 | | | | | | | | | | |
| LL | T Rettenmaier | 7 | 3 | 6 | | | | | | | | | | | | | | |