# 2009 Gerry Weber Open – Singles

Roger Federer was the defending champion, but withdrew due to fatigue, after winning the 2009 French Open.
Tommy Haas won in the final 6–3, 6–7$^{(4–7)}$, 6–1, against Novak Djokovic.

## Seeds

* Roger Federer (withdrew due to fatigue)
* Novak Djokovic (final)
* Fernando Verdasco (first round)
* Jo-Wilfried Tsonga (second round)
* Tomáš Berdych (second round)
* Dmitry Tursunov (second round)
* Jürgen Melzer (quarterfinals)
* Rainer Schüttler (second 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 | Final |
| | Philipp Kohlschreiber | 6 | 6$^5$ | 6$^3$ | | | | | |
| WC | Tommy Haas | 2 | 7$^7$ | 7$^7$ | | | | | |
| WC | Tommy Haas | 2 | 7$^7$ | 7$^7$ | WC | Tommy Haas | 6 | 6$^4$ | 6 |
| | | | | | 2 | Novak Djokovic | 3 | 7$^7$ | 1 |
| Q | Olivier Rochus | 6$^7$ | 4 | | 2 | Novak Djokovic | 3 | 7$^7$ | 1 |
| 2 | Novak Djokovic | 7$^9$ | 6 | | | | | | |

### Top half

| 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 | Semifinals |
| LL | L Lacko | 7$^8$ | 6 | | | | | | | | | | | | | | | |
| Q | H Levy | 6$^6$ | 2 | LL | L Lacko | 5 | 6$^5$ | | | | | | | | | | | |
| | C Rochus | 3 | 1 | | A Beck | 7 | 7$^7$ | | | | | | | | | | | |
| | A Beck | 6 | 6 | | | | | | | A Beck | 6 | 3 | 3 | | | | | |
| | P Kohlschreiber | 6 | 6 | | | | | | | P Kohlschreiber | 3 | 6 | 6 | | | | | |
| | B Phau | 4 | 2 | | P Kohlschreiber | 6 | 7$^8$ | | | | | | | | | | | |
| | I Kunitsyn | 5 | 4 | 6 | D Tursunov | 4 | 6$^6$ | | | | | | | | | | | |
| 6 | D Tursunov | 7 | 6 | | | | | | | | | | | | P Kohlschreiber | 6 | 6$^5$ | 6$^3$ |
| 4 | J-W Tsonga | 7 | 6 | | | | | | | | | | | WC | T Haas | 2 | 7$^7$ | 7$^7$ |
| | F Santoro | 5 | 2 | 4 | J-W Tsonga | 3 | 6$^3$ | | | | | | | | | | | |
| WC | T Haas | 6 | 6 | WC | T Haas | 6 | 7$^7$ | | | | | | | | | | | |
| | S Koubek | 2 | 2 | | | | | | WC | T Haas | 7$^7$ | 6 | | | | | | |
| Q | J Sirianni | 2 | 4 | | | | | | WC | M Zverev | 6$^5$ | 2 | | | | | | |
| WC | M Zverev | 6 | 6 | WC | M Zverev | 3 | 6 | 7$^{10}$ | | | | | | | | | | |
| | J Hernych | 4 | 5 | 5 | T Berdych | 6 | 2 | 6$^8$ | | | | | | | | | | |
| 5 | T Berdych | 6 | 7 | | | | | | | | | | | | | | | |

### 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 |
| 8 | R Schüttler | 6 | 6 | | | | | | | | | | | | | | | |
| | M Gicquel | 3 | 4 | | 8 | R Schüttler | 4 | 6 | 4 | | | | | | | | | |
| | V Hănescu | 4 | 4 | | WC | B Becker | 6 | 2 | 6 | | | | | | | | | |
| WC | B Becker | 6 | 6 | | | | | | | WC | B Becker | 7$^7$ | 3 | 3 | | | | |
| Q | F Vicente | 0 | 0 | | | | | | | Q | O Rochus | 6$^4$ | 6 | 6 | | | | |
| Q | O Rochus | 6 | 6 | | Q | O Rochus | 5 | 7 | 6 | | | | | | | | | |
| | P Petzschner | 3 | 7$^7$ | 6 | | P Petzschner | 7 | 5 | 2 | | | | | | | | | |
| 3 | F Verdasco | 6 | 6$^5$ | 4 | | | | | | | | | | | Q | O Rochus | 6$^7$ | 4 |
| 7 | J Melzer | 1 | 6 | 6 | | | | | | | | | | | 2 | N Djokovic | 7$^9$ | 6 |
| | A Clément | 6 | 3 | 2 | 7 | J Melzer | 6 | | | | | | | | | | | |
| | V Troicki | 2 | 1 | | | N Kiefer | 1 | r | | | | | | | | | | |
| | N Kiefer | 6 | 6 | | | | | | | 7 | J Melzer | 1 | 4 | | | | | |
| | F Serra | 1 | 6 | 6 | | | | | | 2 | N Djokovic | 6 | 6 | | | | | |
| | D Sela | 6 | 4 | 2 | | F Serra | 7 | 5 | 1 | | | | | | | | | |
| | S Bolelli | 5 | 2 | | 2 | N Djokovic | 5 | 7 | 6 | | | | | | | | | |
| 2 | N Djokovic | 7 | 6 | | | | | | | | | | | | | | | |