# 2005 Campionati Internazionali di Sicilia – Singles

Tomáš Berdych was the defending champion, but lost in the first round to Andreas Seppi.
Igor Andreev won the title by defeating Filippo Volandri 0–6, 6–1, 6–3 in the final.

## Seeds

* David Ferrer (first round)
* Tommy Robredo (quarterfinals)
* Juan Carlos Ferrero (quarterfinals)
* Tomáš Berdych (first round)
* Fernando Verdasco (second round)
* Filippo Volandri (final)
* Gaël Monfils (first round)
* Davide Sanguinetti (quarterfinals)

## 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 | Final | Final |
| | Igor Andreev | 6 | 6 | | | | | |
| | Andreas Seppi | 2 | 4 | | | | | |
| | Andreas Seppi | 2 | 4 | | Igor Andreev | 0 | 6 | 6 |
| | | | | 6 | Filippo Volandri | 6 | 1 | 3 |
| | Tomas Behrend | 4 | 2 | 6 | Filippo Volandri | 6 | 1 | 3 |
| 6 | Filippo Volandri | 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 | D Ferrer | 2 | 2 | | | | | | | | | | | | | |
| WC | F Aldi | 6 | 6 | | WC | F Aldi | 6 | 0 | 3 | | | | | | | |
| | N Almagro | 4 | 6 | 4 | | I Andreev | 2 | 6 | 6 | | | | | | | |
| | I Andreev | 6 | 2 | 6 | | | | | | | I Andreev | 7 | 7 | | | |
| Q | D Elsner | 4 | 6 | 7 | | | | | | | A Martín | 5 | 5 | | | |
| Q | F Fognini | 6 | 3 | 5 | Q | D Elsner | 4 | 2 | | | | | | | | |
| | A Martín | 1 | 6 | 6 | | A Martín | 6 | 6 | | | | | | | | |
| 7 | G Monfils | 6 | 1 | 4 | | | | | | | | | | I Andreev | 6 | 6 |
| 4 | T Berdych | 6 | 4 | 4 | | | | | | | | | | A Seppi | 2 | 4 |
| | A Seppi | 4 | 6 | 6 | | A Seppi | 6$^6$ | 6 | 7 | | | | | | | |
| | M Zabaleta | 3 | 6$^6$ | | | R Sabău | 7$^8$ | 3 | 5 | | | | | | | |
| | R Sabău | 6 | 7$^8$ | | | | | | | | A Seppi | 6 | 6 | | | |
| | JI Chela | 6 | 6 | | | | | | | 8 | D Sanguinetti | 3 | 4 | | | |
| Q | JA Sánchez de Luna | 4 | 2 | | | JI Chela | 3 | 4 | | | | | | | | |
| | F Serra | 7$^{12}$ | 1 | 2 | 8 | D Sanguinetti | 6 | 6 | | | | | | | | |
| 8 | D Sanguinetti | 6$^{10}$ | 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 |
| 5 | F Verdasco | 6 | 6 | | | | | | | | | | | | | | | |
| | T Zíb | 2 | 2 | | 5 | F Verdasco | 4 | 6 | 1 | | | | | | | | | |
| | T Behrend | 6 | 4 | 6 | | T Behrend | 6 | 2 | 6 | | | | | | | | | |
| | D Bracciali | 4 | 6 | 3 | | | | | | | T Behrend | 6$^2$ | 7$^7$ | 7 | | | | |
| | Ó Hernández | 6$^3$ | 6 | 6 | | | | | | 3/WC | JC Ferrero | 7$^7$ | 6$^4$ | 5 | | | | |
| WC | G Naso | 7$^7$ | 0 | 4 | | Ó Hernández | 3 | 4 | | | | | | | | | | |
| | F Mayer | 3 | 3 | | 3/WC | JC Ferrero | 6 | 6 | | | | | | | | | | |
| 3/WC | JC Ferrero | 6 | 6 | | | | | | | | | | | | | T Behrend | 4 | 2 |
| 6 | F Volandri | 6 | 6 | | | | | | | | | | | | 6 | F Volandri | 6 | 6 |
| | N Massú | 3 | 0 | | 6 | F Volandri | 6 | 6 | | | | | | | | | | |
| | C Rochus | 6 | 6 | | | C Rochus | 0 | 0 | | | | | | | | | | |
| | D Sánchez | 1 | 2 | | | | | | | 6 | F Volandri | 6 | 6 | | | | | |
| | A Calleri | 5 | 0 | | | | | | | 2 | T Robredo | 4 | 2 | | | | | |
| | A Montañés | 7 | 6 | | | A Montañés | 5 | 2 | | | | | | | | | | |
| Q | A Portas | 3 | 5 | | 2 | T Robredo | 7 | 6 | | | | | | | | | | |
| 2 | T Robredo | 6 | 7 | | | | | | | | | | | | | | | |