# 2005 Open 13 – Singles

Joachim Johansson defeated Ivan Ljubičić 7–5, 6–4 to win the 2005 Open 13 singles competition. Dominik Hrbatý was the defending champion.

## Seeds

* Guillermo Coria (first round)
* David Nalbandian (second round)
* Joachim Johansson (champion)
* Nikolay Davydenko (first round)
* Dominik Hrbatý (first round)
* Feliciano López (semifinals)
* Nicolas Kiefer (first round)
* Ivan Ljubičić (final)

## 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 |
| | Mario Ančić | 5 | 6 | 4 | | | | |
| 8 | Ivan Ljubičić | 7 | 2 | 6 | | | | |
| 8 | Ivan Ljubičić | 7 | 2 | 6 | 8 | Ivan Ljubičić | 5 | 4 |
| | | | | | 3 | Joachim Johansson | 7 | 6 |
| 3 | Joachim Johansson | 6$^1$ | 7$^8$ | 6 | 3 | Joachim Johansson | 7 | 6 |
| 6 | Feliciano López | 7$^7$ | 6$^6$ | 4 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | G Coria | 4 | 5 | | | | | | | | | | | | | | |
| Q | S de Chaunac | 6 | 7 | | Q | S de Chaunac | w/o | | | | | | | | | | |
| | M Llodra | 6$^2$ | 6 | 3 | | G Rusedski | | | | | | | | | | | |
| | G Rusedski | 7$^7$ | 4 | 6 | | | | | Q | S de Chaunac | 6$^{11}$ | 3 | | | | | |
| | P Srichaphan | 7$^7$ | 2 | 6$^4$ | | | | | | M Ančić | 7$^{13}$ | 6 | | | | | |
| | T Berdych | 6$^5$ | 6 | 7$^7$ | | T Berdych | 5 | 6$^4$ | | | | | | | | | |
| | M Ančić | 6 | 7 | | | M Ančić | 7 | 7$^7$ | | | | | | | | | |
| 5 | D Hrbatý | 3 | 5 | | | | | | | | | | | M Ančić | 5 | 6 | 4 |
| 4 | N Davydenko | 6 | 4 | 1 | | | | | | | | | 8 | I Ljubičić | 7 | 2 | 6 |
| | S Schalken | 3 | 6 | 6 | | S Schalken | 6 | 6 | | | | | | | | | |
| Q | J-R Lisnard | 2 | 7$^7$ | 4 | WC | J Haehnel | 4 | 2 | | | | | | | | | |
| WC | J Haehnel | 6 | 6$^5$ | 6 | | | | | | S Schalken | 3 | 4 | | | | | |
| WC | G Monfils | 3 | 2 | | | | | | 8 | I Ljubičić | 6 | 6 | | | | | |
| | I Andreev | 6 | 6 | | | I Andreev | 3 | 4 | | | | | | | | | |
| Q | V Hănescu | 6$^6$ | 7 | 4 | 8 | I Ljubičić | 6 | 6 | | | | | | | | | |
| 8 | I Ljubičić | 7$^8$ | 5 | 6 | | | | | | | | | | | | | |

### Bottom 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 | Semifinals |
| 7 | N Kiefer | 3 | 2 | | | | | | | | | | | | | | | |
| | K Beck | 6 | 6 | | | K Beck | 6 | 6 | | | | | | | | | | |
| | R Štěpánek | 6 | 2 | 1 | WC | A Clément | 4 | 4 | | | | | | | | | | |
| WC | A Clément | 4 | 6 | 6 | | | | | | K Beck | 4 | 4 | | | | | | |
| Q | G Simon | 6 | 4 | 6 | | | | | 3 | J Johansson | 6 | 6 | | | | | | |
| | T Johansson | 4 | 6 | 2 | Q | G Simon | 6$^3$ | 3 | | | | | | | | | | |
| | J C Ferrero | 6$^4$ | 3 | | 3 | J Johansson | 7$^7$ | 6 | | | | | | | | | | |
| 3 | J Johansson | 7$^7$ | 6 | | | | | | | | | | | 3 | J Johansson | 6$^1$ | 7$^8$ | 6 |
| 6 | F López | 7 | 6 | | | | | | | | | | | 6 | F López | 7$^7$ | 6$^6$ | 4 |
| | F Verdasco | 5 | 3 | | 6 | F López | 7$^8$ | 6 | | | | | | | | | | |
| LL | Y-T Wang | 4 | 6$^4$ | | | I Karlović | 6$^6$ | 4 | | | | | | | | | | |
| | I Karlović | 6 | 7$^7$ | | | | | | 6 | F López | 7 | 1 | 7$^{10}$ | | | | | |
| | T Dent | 6 | 6 | | | | | | | T Dent | 5 | 6 | 6$^8$ | | | | | |
| | J Benneteau | 2 | 2 | | | T Dent | 7$^7$ | 6 | | | | | | | | | | |
| | R Schüttler | 7$^7$ | 4 | 5 | 2 | D Nalbandian | 6$^3$ | 2 | | | | | | | | | | |
| 2 | D Nalbandian | 6$^2$ | 6 | 7 | | | | | | | | | | | | | | |