# 2011 Brisbane International – Men's singles

Andy Roddick was the defending champion, but Robin Söderling defeated him 6–3, 7–5 in the final.

## Seeds

* Robin Söderling (champion)
* Andy Roddick (final)
* Fernando Verdasco (first round)
* Mardy Fish (second round)
* Marcos Baghdatis (quarterfinals)
* Feliciano López (second round)
* Florian Mayer (quarterfinals)
* Denis Istomin (second 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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Robin Söderling | 6 | 7 | | | | | |
| | Radek Štěpánek | 3 | 5 | | | | | |
| | Radek Štěpánek | 3 | 5 | | 1 | Robin Söderling | 6 | 7 |
| | | | | | 2 | Andy Roddick | 3 | 5 |
| | Kevin Anderson | 2 | 6 | 2 | 2 | Andy Roddick | 3 | 5 |
| 2 | Andy Roddick | 6 | 4 | 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 | Semifinals |
| 1 | R Söderling | 6 | 6 | | | | | | | | | | | | | | |
| Q | R Harrison | 2 | 4 | | 1 | R Söderling | 6 | 7$^9$ | | | | | | | | | |
| | M Berrer | 1 | 7$^7$ | 6 | | M Berrer | 3 | 6$^7$ | | | | | | | | | |
| | D Sela | 6 | 6$^3$ | 2 | | | | | | 1 | R Söderling | 6 | 6 | | | | |
| WC | J Millman | 6 | 2 | 4 | | | | | | Q | M Ebden | 3 | 2 | | | | |
| Q | M Ebden | 4 | 6 | 6 | Q | M Ebden | 6 | 6 | | | | | | | | | |
| | T de Bakker | 6$^5$ | 4 | | 8 | D Istomin | 4 | 4 | | | | | | | | | |
| 8 | D Istomin | 7$^7$ | 6 | | | | | | | | | | | 1 | R Söderling | 6 | 7 |
| 4 | M Fish | 6 | 6 | | | | | | | | | | | | R Štěpánek | 3 | 5 |
| Q | A Mannarino | 1 | 4 | | 4 | M Fish | 3 | 1 | | | | | | | | | |
| | R Štěpánek | 5 | 6 | 6 | | R Štěpánek | 6 | 6 | | | | | | | | | |
| | T Kamke | 7 | 1 | 4 | | | | | | | R Štěpánek | 6 | 6 | | | | |
| | A Clément | 4 | 3 | | | | | | | 7 | F Mayer | 3 | 3 | | | | |
| Q | R Berankis | 6 | 6 | | Q | R Berankis | 4 | 6 | 4 | | | | | | | | |
| WC | B Tomic | 2 | 2 | | 7 | F Mayer | 6 | 4 | 6 | | | | | | | | |
| 7 | F Mayer | 6 | 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 |
| 6 | F López | 6 | 7$^{13}$ | | | | | | | | | | | | | | | |
| | P Petzschner | 4 | 6$^{11}$ | | 6 | F López | 3 | 1 | | | | | | | | | | |
| | K Anderson | 6 | 6 | | | K Anderson | 6 | 6 | | | | | | | | | | |
| LL | P Luczak | 4 | 4 | | | | | | | K Anderson | 2 | 6 | 6 | | | | | |
| | G Simon | 2 | 3 | | | | | | | S Giraldo | 6 | 3 | 4 | | | | | |
| | S Giraldo | 6 | 6 | | | S Giraldo | 6 | 6 | | | | | | | | | | |
| | B Becker | 6 | 6$^2$ | 6 | | B Becker | 3 | 4 | | | | | | | | | | |
| 3 | F Verdasco | 1 | 7$^7$ | 3 | | | | | | | | | | | K Anderson | 2 | 6 | 2 |
| 5 | M Baghdatis | 3 | 7 | 6 | | | | | | | | | | 2 | A Roddick | 6 | 4 | 6 |
| | F Serra | 6 | 5 | 4 | 5 | M Baghdatis | 6 | 6 | | | | | | | | | | |
| | D Brands | 2 | 2 | | | Ł Kubot | 2 | 2 | | | | | | | | | | |
| | Ł Kubot | 6 | 6 | | | | | | 5 | M Baghdatis | 2 | 3 | | | | | | |
| | A Dolgopolov | 6 | 6 | | | | | | 2 | A Roddick | 6 | 6 | | | | | | |
| | I Andreev | 4 | 2 | | | A Dolgopolov | 4 | 1 | | | | | | | | | | |
| WC | M Matosevic | 3 | 2 | | 2 | A Roddick | 6 | 6 | | | | | | | | | | |
| 2 | A Roddick | 6 | 6 | | | | | | | | | | | | | | | |