2011 Medibank International Sydney – Women's singles
# 2011 Medibank International Sydney – Women's singles

Elena Dementieva was the defending champion, but retired from the sport at the end of the 2010 season.

Li Na won the title, defeating Kim Clijsters in the final $7–6^{(7–3)},$ 6–3.

## Seeds

The top two seeds receive a bye to the second round.

* Caroline Wozniacki (second round)
* Vera Zvonareva (second round)
* Kim Clijsters (final)
* Samantha Stosur (second round)
* Francesca Schiavone (first round)
* Jelena Janković (first round)
* Victoria Azarenka (quarterfinals)
* Li Na (champion)

## 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 |
| - | - | - | - | - | - | - | - | - |
| | Alisa Kleybanova | 6 | 3 | $6^1$ | | | | |
| 3 | Kim Clijsters | 4 | 6 | 7 | | | | |
| 3 | Kim Clijsters | 4 | 6 | 7 | 3 | Kim Clijsters | $6^3$ | 3 |
| | | | | | 8 | Li Na | 7 | 6 |
| 8 | Li Na | 7 | 6 | | 8 | Li Na | 7 | 6 |
| Q | Bojana Jovanovski | $6^5$ | 3 | | | | | |

### 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 | Semifinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| | | | | | 1 | C Wozniacki | 3 | 3 | | | | | | | | | | |
| | M Kirilenko | 3 | 3 | | | D Cibulková | 6 | 6 | | | | | | | | | | |
| | D Cibulková | 6 | 6 | | | | | | | D Cibulková | 3 | 7 | 2 | | | | | |
| | MJ Martínez Sánchez | 6 | 6 | | | | | | | A Kleybanova | 6 | 5 | 6 | | | | | |
| | D Hantuchová | 2 | 4 | | | MJ Martínez Sánchez | 2 | 4 | | | | | | | | | | |
| | A Kleybanova | $6^5$ | 6 | 6 | | A Kleybanova | 6 | 6 | | | | | | | | | | |
| 5 | F Schiavone | 7 | 1 | 2 | | | | | | | | | | | A Kleybanova | 6 | 3 | $6^1$ |
| 3 | K Clijsters | 6 | 6 | | | | | | | | | | | 3 | K Clijsters | 4 | 6 | 7 |
| | A Dulgheru | 1 | 2 | | 3 | K Clijsters | 6 | 6 | | | | | | | | | | |
| Q | B Záhlavová-Strýcová | 6 | 6 | | Q | B Záhlavová-Strýcová | 1 | 4 | | | | | | | | | | |
| | N Petrova | 2 | 2 | | | | | | 3 | K Clijsters | 6 | 6 | | | | | | |
| LL | S Bammer | 3 | 7 | 1 | | | | | 7 | V Azarenka | 3 | 2 | | | | | | |
| | S Pe'er | 6 | 5 | 6 | | S Pe'er | 5 | 3 | | | | | | | | | | |
| Q | E Makarova | 6 | 2 | 4 | 7 | V Azarenka | 7 | 6 | | | | | | | | | | |
| 7 | V Azarenka | 2 | 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 |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 8 | N Li | 6 | 6 | | | | | | | | | | | | | | | |
| WC | A Rodionova | 1 | 2 | | 8 | N Li | 6 | 1 | 6 | | | | | | | | | |
| Q | S Záhlavová | $6^4$ | 2 | | Q | V Razzano | 4 | 6 | 4 | | | | | | | | | |
| Q | V Razzano | 7 | 6 | | | | | | | 8 | N Li | 3 | 7 | 6 | | | | |
| | S Kuznetsova | 6 | 6 | | | | | | | | S Kuznetsova | 6 | $6^4$ | 3 | | | | |
| WC | J Dokić | 2 | 2 | | | S Kuznetsova | 3 | 6 | 6 | | | | | | | | | |
| | Y Wickmayer | 5 | 4 | | 4 | S Stosur | 6 | 3 | 4 | | | | | | | | | |
| 4 | S Stosur | 7 | 6 | | | | | | | | | | | | 8 | N Li | 7 | 6 |
| 6 | J Janković | 5 | 6 | 3 | | | | | | | | | | | Q | B Jovanovski | $6^5$ | 3 |
| | A Rezaï | 7 | 2 | 6 | | A Rezaï | $6^4$ | $6^4$ | | | | | | | | | | |
| | K Kanepi | 4 | 4 | | Q | B Jovanovski | 7 | 7 | | | | | | | | | | |
| Q | B Jovanovski | 6 | 6 | | | | | | | Q | B Jovanovski | 6 | 6 | | | | | |
| | F Pennetta | 6 | 6 | | | | | | | | F Pennetta | 4 | 1 | | | | | |
| Q | L Hradecká | 4 | 3 | | | F Pennetta | 7 | 7 | | | | | | | | | | |
| | | | | | 2 | V Zvonareva | 5 | 5 | | | | | | | | | | |
