# 2009 Oberstaufen Cup – Singles

Łukasz Kubot was the defender of title; however, he chose to not take part in the tournament. Robin Vik became the new champion after beating Jan Minář in the final 6–1, 6–2.

## Seeds

* Martín Vassallo Argüello (first round)
* Michael Berrer (second round)
* Denis Gremelmayr (quarterfinals)
* Alexandre Sidorenko (first round)
* Jan Hájek (first round)
* Stefan Koubek (semifinals)
* Dominik Meffert (first round)
* Björn Rehnquist (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

### Final four

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Jan Minář | 7 | 7 | | | | |
| 6 | Stefan Koubek | 6$^5$ | 5 | | | | |
| 6 | Stefan Koubek | 6$^5$ | 5 | | Jan Minář | 1 | 2 |
| | | | | Q | Robin Vik | 6 | 6 |
| | João Souza | 2 | 2 | Q | Robin Vik | 6 | 6 |
| Q | Robin Vik | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | M Vassallo Argüello | 4 | 1 | | | | | | | | | | | | | | | |
| | R Dutra da Silva | 6 | 6 | | | R Dutra da Silva | 5 | 6 | 7 | | | | | | | | | |
| Q | C-M Stebe | 2 | 4 | | | I Cervantes-Huegun | 7 | 4 | 6$^3$ | | | | | | | | | |
| | I Cervantes-Huegun | 6 | 6 | | | | | | | | R Dutra da Silva | 3 | 0 | r | | | | |
| | K Čapkovič | 0 | 6 | 6 | | | | | | | J Minář | 6 | 3 | | | | | |
| WC | P Gojowczyk | 6 | 4 | 3 | | K Čapkovič | 7 | 2 | 3 | | | | | | | | | |
| | J Minář | 6 | 7 | | | J Minář | 6$^4$ | 6 | 6 | | | | | | | | | |
| 7 | D Meffert | 2 | 5 | | | | | | | | | | | | | J Minář | 7 | 7 |
| 3 | D Gremelmayr | 6 | 6 | | | | | | | | | | | | 6/WC | S Koubek | 6$^5$ | 5 |
| | G Moraru | 4 | 4 | | 3 | D Gremelmayr | 6 | 6 | | | | | | | | | | |
| | S Vagnozzi | 6 | 6 | | | S Vagnozzi | 3 | 2 | | | | | | | | | | |
| | M López | 2 | 1 | | | | | | | 3 | D Gremelmayr | 1 | 2 | | | | | |
| | P Červenák | 6 | 6 | | | | | | | 6/WC | S Koubek | 6 | 6 | | | | | |
| WC | N Langer | 3 | 4 | | | P Červenák | 2 | 6$^4$ | | | | | | | | | | |
| | A Arnaboldi | 3 | 2 | | 6/WC | S Koubek | 6 | 7 | | | | | | | | | | |
| 6/WC | S Koubek | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | J Hájek | 6$^3$ | 1 | | | | | | | | | | | | | | |
| | M Bachinger | 7 | 6 | | | M Bachinger | 7 | 4 | 6$^4$ | | | | | | | | |
| WC | M Zimmermann | 1 | 6 | 6 | WC | M Zimmermann | 6$^5$ | 6 | 7 | | | | | | | | |
| Q | D Brown | 6 | 3 | 1 | | | | | | WC | M Zimmermann | 3 | 3 | | | | |
| | G Alcaide | 7 | 7 | | | | | | | | J Souza | 6 | 6 | | | | |
| | B Pašanski | 6$^6$ | 6$^3$ | | | G Alcaide | 2 | r | | | | | | | | | |
| | J Souza | 7 | 6 | | | J Souza | 2 | | | | | | | | | | |
| 4 | A Sidorenko | 5 | 1 | | | | | | | | | | | | J Souza | 2 | 2 |
| 8 | B Rehnquist | 2 | 1 | | | | | | | | | | | Q | R Vik | 6 | 6 |
| | A Flock | 6 | 6 | | | A Flock | 6 | 2 | 6 | | | | | | | | |
| | J Checa-Calvo | 4 | 4 | | | D Kindlmann | 3 | 6 | 3 | | | | | | | | |
| | D Kindlmann | 6 | 6 | | | | | | | | A Flock | 1 | 4 | | | | |
| Q | R Vik | 6 | 6 | | | | | | | Q | R Vik | 6 | 6 | | | | |
| | D Álvarez | 2 | 1 | | Q | R Vik | 6 | 7 | | | | | | | | | |
| Q | W-S Jun | 3 | 7 | 6$^2$ | 2 | M Berrer | 0 | 5 | | | | | | | | | |
| 2 | M Berrer | 6 | 5 | 7 | | | | | | | | | | | | | |