# 2009 ATP Studena Croatia Open Umag – Singles

Fernando Verdasco was the defending champion, but chose not to participate that year.
Nikolay Davydenko won in the final 6–3, 6–0 against Juan Carlos Ferrero.

## Seeds

* Nikolay Davydenko (champion)
* David Ferrer (second round)
* Victor Troicki (first round)
* Jürgen Melzer (semifinals)
* Juan Carlos Ferrero (final)
* Nicolás Almagro (second round)
* Andreas Seppi (semifinals)
* Mischa Zverev (first round)

## Main 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 |
| 1 | Nikolay Davydenko | 6 | 6 | | | | | |
| 4 | Jürgen Melzer | 1 | 1 | | | | | |
| 4 | Jürgen Melzer | 1 | 1 | | 1 | Nikolay Davydenko | 6 | 6 |
| | | | | | 5 | Juan Carlos Ferrero | 3 | 0 |
| 5 | Juan Carlos Ferrero | 6 | 6$^1$ | 7 | 5 | Juan Carlos Ferrero | 3 | 0 |
| 7 | Andreas Seppi | 1 | 7$^7$ | 5 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | N Davydenko | 6 | 6 | | | | | | | | | | | | | | |
| | D Gimeno Traver | 2 | 2 | | 1 | N Davydenko | 6 | 6 | | | | | | | | | |
| | A Martín | 6 | 6 | | | A Martín | 2 | 3 | | | | | | | | | |
| Q | M Kližan | 4 | 4 | | | | | | 1 | N Davydenko | 7$^{12}$ | 6 | | | | | |
| | S Bolelli | 7$^9$ | 3 | 6 | | | | | | S Bolelli | 6$^{10}$ | 1 | | | | | |
| Q | R Ramírez Hidalgo | 6$^7$ | 6 | 0 | | S Bolelli | 6 | 6 | | | | | | | | | |
| | F Fognini | 2 | 6 | 6 | | F Fognini | 3 | 4 | | | | | | | | | |
| 8 | M Zverev | 6 | 3 | 4 | | | | | | | | | | 1 | N Davydenko | 6 | 6 |
| 4 | J Melzer | 6 | 7 | | | | | | | | | | | 4 | J Melzer | 1 | 1 |
| | B Dabul | 3 | 5 | | 4 | J Melzer | 6 | 6 | | | | | | | | | |
| WC | I Dodig | 3 | 1 | | | P Cuevas | 4 | 3 | | | | | | | | | |
| | P Cuevas | 6 | 6 | | | | | | 4 | J Melzer | 4 | 7$^7$ | 6 | | | | |
| | I Ljubičić | 6 | 6 | | | | | | | I Ljubičić | 6 | 6$^3$ | 3 | | | | |
| WC | F Volandri | 1 | 4 | | | I Ljubičić | 7 | 7$^7$ | | | | | | | | | |
| Q | M Granollers | 1 | 3 | | 6 | N Almagro | 5 | 6$^2$ | | | | | | | | | |
| 6 | N Almagro | 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 | Semifinals |
| 5 | JC Ferrero | 6 | 6 | | | | | | | | | | | | | | | |
| | C Rochus | 2 | 3 | | 5 | JC Ferrero | 1 | 6 | 6 | | | | | | | | | |
| LL | G Žemlja | 1 | 3 | | | P Starace | 6 | 3 | 2 | | | | | | | | | |
| | P Starace | 6 | 6 | | | | | | | 5 | JC Ferrero | 7 | 6 | | | | | |
| | S Stakhovsky | 6$^3$ | 1 | | | | | | | | M González | 5 | 2 | | | | | |
| | Ó Hernández | 7$^7$ | 6 | | | Ó Hernández | 4 | 4 | | | | | | | | | | |
| | M González | 6 | 3 | 7$^8$ | | M González | 6 | 6 | | | | | | | | | | |
| 3 | V Troicki | 4 | 6 | 6$^6$ | | | | | | | | | | 5 | JC Ferrero | 6 | 6$^1$ | 7 |
| 7 | A Seppi | 6 | 2 | 6 | | | | | | | | | | 7 | A Seppi | 1 | 7$^7$ | 5 |
| Q | JI Chela | 4 | 6 | 3 | 7 | A Seppi | 7 | 7$^7$ | | | | | | | | | | |
| | F Gil | 7 | 6 | | | F Gil | 5 | 6$^5$ | | | | | | | | | | |
| | S Roitman | 5 | 2 | | | | | | | 7 | A Seppi | 6 | 6 | | | | | |
| | N Massú | 5 | 6 | 6 | | | | | | | N Massú | 4 | 4 | | | | | |
| WC | B Kavčič | 7 | 3 | 2 | | N Massú | 4 | 6 | 6 | | | | | | | | | |
| | D Köllerer | 1 | 7$^7$ | 3 | 2 | D Ferrer | 6 | 2 | 4 | | | | | | | | | |
| 2 | D Ferrer | 6 | 6$^2$ | 6 | | | | | | | | | | | | | | |