title: 2010 Medibank International Sydney – Women's singles
text: # 2010 Medibank International Sydney – Women's singles
  
  In a rematch of last year's semifinal, Elena Dementieva successfully defended her title, beating world No. 1 Serena Williams in the final 6–3, 6–2.
  
  ## Seeds
  
  The top two seeds receive a bye to the second round.
  
  * Serena Williams (final)
  * Dinara Safina (quarterfinals)
  * Svetlana Kuznetsova (second round)
  * Caroline Wozniacki (first round)
  * Elena Dementieva (champion)
  * Victoria Azarenka (semifinals)
  * Jelena Janković (first round)
  * Vera Zvonareva (first round, retired due to right ankle injury)
  
  ## 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 | Serena Williams | 3 | 7 | 6 | | | | |
  | | Aravane Rezaï | 6 | 5 | 4 | | | | |
  | | Aravane Rezaï | 6 | 5 | 4 | 1 | Serena Williams | 3 | 2 |
  | | | | | | 5 | Elena Dementieva | 6 | 6 |
  | 6 | Victoria Azarenka | 3 | 1 | | 5 | Elena Dementieva | 6 | 6 |
  | 5 | Elena Dementieva | 6 | 6 | | | | | |
  
  ### 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 | S Williams | 6 | 6 | | | | | | | | | |
  | | MJ Martínez Sánchez | 6 | 6 | | | MJ Martínez Sánchez | 1 | 2 | | | | | | | | | |
  | Q | V Lepchenko | 3 | 3 | | | | | | 1 | S Williams | 6 | 6 | | | | | |
  | Q | V Dushevina | 6 | 6 | | | | | | Q | V Dushevina | 2 | 2 | | | | | |
  | WC | C Dellacqua | 2 | 2 | | Q | V Dushevina | 6 | 6 | | | | | | | | | |
  | | E Vesnina | 3 | | | | E Vesnina | 3 | 4 | | | | | | | | | |
  | 8 | V Zvonareva | 3 | r | | | | | | | | | | 1 | S Williams | 3 | 7 | 6 |
  | 4 | C Wozniacki | 6 | 3 | 2 | | | | | | | | | | A Rezaï | 6 | 5 | 4 |
  | | N Li | 2 | 6 | 6 | | N Li | 2 | $6^4$ | | | | | | | | | |
  | | S Stosur | 3 | 1 | | | F Pennetta | 6 | 7 | | | | | | | | | |
  | | F Pennetta | 6 | 6 | | | | | | | F Pennetta | 3 | 0 | | | | | |
  | | A Rezaï | $6^3$ | 6 | 6 | | | | | | A Rezaï | 6 | 6 | | | | | |
  | Q | A Grönefeld | 7 | 2 | 2 | | A Rezaï | 6 | 7 | | | | | | | | | |
  | Q | Á Szávay | 5 | 6 | 7 | Q | Á Szávay | 3 | $6^5$ | | | | | | | | | |
  | 7 | J Janković | 7 | 1 | 5 | | | | | | | | | | | | | |
  
  ### 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 | V Azarenka | 3 | 6 | 7 | | | | | | | | | | | | | | |
  | | S Lisicki | 6 | 2 | 5 | 6 | V Azarenka | 6 | 5 | 7 | | | | | | | | | |
  | | N Petrova | 3 | 7 | 4 | Q | K Date-Krumm | 1 | 7 | 5 | | | | | | | | | |
  | Q | K Date-Krumm | 6 | 5 | 6 | | | | | | 6 | V Azarenka | 2 | 6 | 7 | | | | |
  | LL | T Bacsinszky | $6^2$ | 1 | | | | | | | | D Cibulková | 6 | 2 | 5 | | | | |
  | | D Cibulková | 7 | 6 | | | D Cibulková | 7 | 6 | | | | | | | | | | |
  | | A Kleybanova | 2 | 7 | 5 | 3 | S Kuznetsova | 5 | 2 | | | | | | | | | | |
  | 3 | S Kuznetsova | 6 | $6^3$ | 7 | | | | | | | | | | | 6 | V Azarenka | 3 | 1 |
  | 5 | E Dementieva | 6 | 7 | | | | | | | | | | | | 5 | E Dementieva | 6 | 6 |
  | | F Schiavone | 2 | 5 | | 5 | E Dementieva | 6 | 4 | 6 | | | | | | | | | |
  | | V Razzano | 3 | 0 | | | D Hantuchová | 2 | 6 | 2 | | | | | | | | | |
  | | D Hantuchová | 6 | 6 | | | | | | | 5 | E Dementieva | 6 | 6 | | | | | |
  | Q | J Craybas | 0 | 4 | | | | | | | 2 | D Safina | 2 | 3 | | | | | |
  | | A Radwańska | 6 | 6 | | | A Radwańska | 5 | 4 | | | | | | | | | | |
  | | | | | | 2 | D Safina | 7 | 6 | | | | | | | | | | |
  