# 2009 Intersport Heilbronn Open – Singles

Evgeny Korolev was the defending champion. He didn't take part in these championships this year. Benjamin Becker defeated 6–4, 6–4 Karol Beck in the final.

## Seeds

* Lu Yen-hsun (second round)
* Philipp Petzschner (second round)
* Denis Gremelmayr (first round)
* Sergiy Stakhovsky (quarterfinals)
* Arnaud Clément (quarterfinals)
* Roko Karanušić (withdrew)
* Andreas Beck (second round, retired)
* Björn Phau (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 |
| | Karol Beck | 6 | 6 | | | |
| | Michael Berrer | 1 | 2 | | | |
| | Michael Berrer | 1 | 2 | Karol Beck | 4 | 4 |
| | | | | Benjamin Becker | 6 | 6 |
| WC | Florian Mayer | 3 | 3 | Benjamin Becker | 6 | 6 |
| | Benjamin Becker | 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 |
| 1 | Y-h Lu | 6 | 7 | | | | | | | | | | | | | |
| | M Montcourt | 4 | 5 | | 1 | Y-h Lu | 2 | 0 | | | | | | | | |
| | D Brands | 2 | 3 | | | K Beck | 6 | 6 | | | | | | | | |
| | K Beck | 6 | 6 | | | | | | | | K Beck | 6 | 6 | | | |
| | M Elgin | 4 | 3 | | | | | | | 5 | A Clément | 3 | 4 | | | |
| | K Pless | 6 | 6 | | | K Pless | 2 | 1 | r | | | | | | | |
| WC | C-M Stebe | 3 | 5 | | 5 | A Clément | 6 | 1 | | | | | | | | |
| 5 | A Clément | 6 | 7 | | | | | | | | | | | K Beck | 6 | 6 |
| 3 | D Gremelmayr | 7 | 2 | 0 | | | | | | | | | | M Berrer | 1 | 2 |
| Q | L Recouderc | 6$^2$ | 6 | 6 | Q | L Recouderc | 7 | 3 | 4$^r$ | | | | | | | |
| | M Chiudinelli | 2 | 4 | | | O Rochus | 6$^5$ | 6 | 4 | | | | | | | |
| | O Rochus | 6 | 6 | | | | | | | | O Rochus | 1 | 5 | | | |
| | M Berrer | 4 | 6 | 6 | | | | | | | M Berrer | 6 | 7 | | | |
| | S Warburg | 6 | 1 | 3 | | M Berrer | 6 | 7 | | | | | | | | |
| | S Greul | 4 | 3 | | LL | A Falla | 1 | 6$^6$ | | | | | | | | |
| LL | A Falla | 6 | 6 | | | | | | | | | | | | | |

### 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 | B Phau | 6 | 2 | 4 | | | | | | | | | | | | | | |
| Q | M Bachinger | 4 | 6 | 6 | Q | M Bachinger | 6$^8$ | 6 | 4 | | | | | | | | | |
| WC | F Mayer | 6 | 6 | | WC | F Mayer | 7 | 1 | 6 | | | | | | | | | |
| WC | D Kindlmann | 4 | 3 | | | | | | | WC | F Mayer | 6$^5$ | 6 | 7 | | | | |
| | S Stadler | 5 | | | | | | | | 4 | S Stakhovsky | 7 | 4 | 6$^5$ | | | | |
| | J Ouanna | 6 | r | | | S Stadler | 0 | 3 | | | | | | | | | | |
| | D Udomchoke | 3 | 7 | 4 | 4 | S Stakhovsky | 6 | 6 | | | | | | | | | | |
| 4 | S Stakhovsky | 6 | 6$^4$ | 6 | | | | | | | | | | | WC | F Mayer | 3 | 3 |
| 7 | A Beck | 6 | 6 | | | | | | | | | | | | | B Becker | 6 | 6 |
| Q | A Juška | 3 | 4 | | 7 | A Beck | 3 | r | | | | | | | | | | |
| | V Crivoi | 4 | 4 | | | B Becker | 6 | | | | | | | | | | | |
| | B Becker | 6 | 6 | | | | | | | | B Becker | 6$^1$ | 6 | 6 | | | | |
| | A Mannarino | 7 | 6 | | | | | | | | A Mannarino | 7 | 0 | 2 | | | | |
| Q | B Dorsch | 5 | 1 | | | A Mannarino | 6 | 3 | 6 | | | | | | | | | |
| WC | N Langer | 5 | 1 | | 2 | P Petzschner | 4 | 6 | 2 | | | | | | | | | |
| 2 | P Petzschner | 7 | 6 | | | | | | | | | | | | | | | |