# 2005 Medibank International – Men's singles

Lleyton Hewitt was the defending champion.
Hewitt successfully defended his title, defeating Ivo Minář 7–5, 6–0 in the final.

## Seeds

* Lleyton Hewitt (champion)
* Carlos Moyá (first round)
* Joachim Johansson (second round, retired because of a right hamstring injury)
* Andrei Pavel (quarterfinals)
* Feliciano López (quarterfinals)
* Nikolay Davydenko (first round)
* Thomas Johansson (quarterfinals)
* Taylor Dent (quarterfinals, retired because of viral gastroenteritis)

## 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 | Lleyton Hewitt | 6$^4$ | 6 | 6 | | | | |
| | Max Mirnyi | 7$^7$ | 3 | 2 | | | | |
| | Max Mirnyi | 7$^7$ | 3 | 2 | 1 | Lleyton Hewitt | 7 | 6 |
| | | | | | Q | Ivo Minář | 5 | 0 |
| Q | Ivo Minář | 6 | 6 | | Q | Ivo Minář | 5 | 0 |
| | Radek Štěpánek | 1 | 2 | | | | | |

### 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 | L Hewitt | 6 | 6 | | | | | | | | | | | | | | |
| | K Beck | 1 | 2 | | 1 | L Hewitt | 6 | 6 | | | | | | | | | |
| Q | A Clément | 6 | 6 | | Q | A Clément | 2 | 4 | | | | | | | | | |
| SE | T Zíb | 1 | 3 | | | | | | 1 | L Hewitt | 6 | 7$^7$ | | | | | |
| WC | W Arthurs | 7$^7$ | 6$^4$ | 6 | | | | | 7 | T Johansson | 1 | 6$^4$ | | | | | |
| | F Volandri | 6$^1$ | 7$^7$ | 3 | WC | W Arthurs | 6$^4$ | 6$^3$ | | | | | | | | | |
| | F Mayer | 2 | 6$^5$ | | 7 | T Johansson | 7$^7$ | 7$^7$ | | | | | | | | | |
| 7 | T Johansson | 6 | 7$^7$ | | | | | | | | | | 1 | L Hewitt | 6$^4$ | 6 | 6 |
| 3 | J Johansson | 6 | 6 | | | | | | | | | | | M Mirnyi | 7$^7$ | 3 | 2 |
| | G Rusedski | 4 | 3 | | 3 | J Johansson | 1$^r$ | | | | | | | | | | |
| | M Mirnyi | 6 | 7 | | | M Mirnyi | 4 | | | | | | | | | | |
| | D Ferrer | 1 | 5 | | | | | | | M Mirnyi | 3 | | | | | | |
| | R Söderling | 4 | 4 | | | | | | 8 | T Dent | 4$^r$ | | | | | | |
| | M Fish | 6 | 6 | | | M Fish | 6$^4$ | 1 | | | | | | | | | |
| Q | S Ventura | 5 | 6$^7$ | | 8 | T Dent | 7$^7$ | 6 | | | | | | | | | |
| 8 | T Dent | 7 | 7$^9$ | | | | | | | | | | | | | | |

### 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 | N Davydenko | 2 | 6 | 2 | | | | | | | | | | | | | | |
| Q | I Minář | 6 | 3 | 6 | Q | I Minář | 6 | 6 | | | | | | | | | | |
| | F Verdasco | 3 | 6 | 7 | | F Verdasco | 1 | 2 | | | | | | | | | | |
| | T Berdych | 6 | 4 | 5 | | | | | | Q | I Minář | 2 | 7$^7$ | 6 | | | | |
| | J Melzer | 3 | 5 | | | | | | | 4 | A Pavel | 6 | 6$^5$ | 4 | | | | |
| LL | J Nieminen | 6 | 7 | | LL | J Nieminen | 4 | 6$^3$ | | | | | | | | | | |
| Q | L Bourgeois | 6$^3$ | 5 | | 4 | A Pavel | 6 | 7$^7$ | | | | | | | | | | |
| 4 | A Pavel | 7$^7$ | 6 | | | | | | | | | | | | Q | I Minář | 6 | 6 |
| 5 | F López | 6 | 6 | | | | | | | | | | | | | R Štěpánek | 1 | 2 |
| WC | T Reid | 4 | 4 | | 5 | F López | 6 | 3 | 7$^7$ | | | | | | | | | |
| | X Malisse | 6 | 0 | 3 | | M Llodra | 4 | 6 | 6$^4$ | | | | | | | | | |
| | M Llodra | 4 | 6 | 6 | | | | | | 5 | F López | 3 | 2 | | | | | |
| | A Costa | 1 | 4 | | | | | | | | R Štěpánek | 6 | 6 | | | | | |
| | I Andreev | 6 | 6 | | | I Andreev | 3 | 7$^7$ | 2 | | | | | | | | | |
| | R Štěpánek | 2 | 6 | 6 | | R Štěpánek | 6 | 6$^5$ | 6 | | | | | | | | | |
| 2 | C Moyà | 6 | 4 | 2 | | | | | | | | | | | | | | |