# 2009 Baden Open – Singles

Teymuraz Gabashvili was the defending champion; however, he chose not to play this year. Florian Mayer defeated Dustin Brown 6–2, 6–4 in the final.

## Seeds

* Michael Berrer (first round)
* Pere Riba (quarterfinals)
* Amer Delic (second round)
* Brendan Evans (second round)
* Yuri Schukin (first round)
* Juan Pablo Brzezicki (second round)
* Miguel Ángel López Jaén (second round)
* Boris Pašanski (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

### Final four

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Julian Reister | 4 | 6 | 1 | | | | |
| | Florian Mayer | 6 | 2 | 6 | | | | |
| | Florian Mayer | 6 | 2 | 6 | | Florian Mayer | 6 | 6 |
| | | | | | Q | Dustin Brown | 2 | 4 |
| Q | Dustin Brown | 7 | 6 | | Q | Dustin Brown | 2 | 4 |
| | Dominik Meffert | 6$^6$ | 3 | | | | | |

### 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 |
| 1 | M Berrer | 4 | 6 | 6$^{10}$ | | | | | | | | | | | | | |
| | M Bachinger | 6 | 4 | 7 | | M Bachinger | 5 | 6 | 7 | | | | | | | | |
| Q | P Gojowczyk | 6 | 6 | | Q | P Gojowczyk | 7 | 4 | 6$^4$ | | | | | | | | |
| | J Pospíšil | 4 | 2 | | | | | | | | M Bachinger | 5 | 5 | | | | |
| | J Reister | 4 | 7 | 6 | | | | | | | J Reister | 7 | 7 | | | | |
| | T Kamke | 6 | 6$^3$ | 1 | | J Reister | 4 | 6 | 6 | | | | | | | | |
| | L Gregorc | 2 | 6$^3$ | | 7 | MÁ López Jaén | 6 | 1 | 3 | | | | | | | | |
| 7 | MÁ López Jaén | 6 | 7 | | | | | | | | | | | J Reister | 4 | 6 | 1 |
| 4 | B Evans | 6 | 6 | | | | | | | | | | | F Mayer | 6 | 2 | 6 |
| WC | N Reissig | 4 | 3 | | 4 | B Evans | 6$^3$ | 6 | 3 | | | | | | | | |
| WC | R Berankis | 6 | 6 | | WC | R Berankis | 7 | 4 | 6 | | | | | | | | |
| Q | E Donskoy | 4 | 4 | | | | | | | WC | R Berankis | 2 | 5 | | | | |
| LL | G Moraru | 7 | 7 | | | | | | | | F Mayer | 6 | 7 | | | | |
| | S Bubka | 6$^3$ | 6$^7$ | | LL | G Moraru | 4 | 4 | | | | | | | | | |
| | F Mayer | 6 | 6 | | | F Mayer | 6 | 6 | | | | | | | | | |
| 5 | Y Schukin | 1 | 1 | | | | | | | | | | | | | | |

### 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 | JP Brzezicki | 3 | 6 | 6 | | | | | | | | | | | | | | |
| | M Fischer | 6 | 1 | 0 | 6 | JP Brzezicki | 4 | 6 | 3 | | | | | | | | | |
| Q | D Brown | 7 | 6$^4$ | 6 | Q | D Brown | 6 | 2 | 6 | | | | | | | | | |
| | D Kindlmann | 6$^7$ | 7 | 3 | | | | | | Q | D Brown | 2 | 7 | 6 | | | | |
| | N Desein | 7 | 7 | | | | | | | | N Desein | 6 | 6$^7$ | 3 | | | | |
| Q | A Chadaj | 6$^4$ | 6$^5$ | | | N Desein | 6 | 7 | | | | | | | | | | |
| | J Souza | 3 | 5 | | 3 | A Delic | 2 | 5 | | | | | | | | | | |
| 3 | A Delic | 6 | 7 | | | | | | | | | | | | Q | D Brown | 7 | 6 |
| 8 | B Pašanski | 7 | 6 | | | | | | | | | | | | | D Meffert | 6$^6$ | 3 |
| | M Lammer | 5 | 0 | | 8 | B Pašanski | 3 | 6 | 6$^5$ | | | | | | | | | |
| | D Meffert | 6 | 3 | 6 | | D Meffert | 6 | 3 | 7 | | | | | | | | | |
| | P Luczak | 1 | 6 | 3 | | | | | | | D Meffert | 6 | 2 | 6 | | | | |
| | A Flock | 7 | 6 | | | | | | | 2 | P Riba | 2 | 6 | 4 | | | | |
| WC | D Schulz | 5 | 1 | | | A Flock | 4 | 3 | | | | | | | | | | |
| | J Sirianni | 5 | 3 | | 2 | P Riba | 6 | 6 | | | | | | | | | | |
| 2 | P Riba | 7 | 6 | | | | | | | | | | | | | | | |