2011 Mercury Insurance Open – Singles

{{no footnotes|date=August 2011}}

{{Tennis events|2011|Mercury Insurance Open|

| defchamp =

| champ = {{flagicon|POL}} Agnieszka Radwańska

| runner = {{flagicon|RUS}} Vera Zvonareva

| score = 6–3, 6–4

| draw = 56

| seeds = 16

| edition =

| type = singles doubles

}}

{{Main|2011 Mercury Insurance Open}}

Svetlana Kuznetsova was the defending champion, but withdrew due to a groin strain.
Agnieszka Radwańska won the title, defeating Vera Zvonareva 6–3, 6–4 in the final.

Seeds

The top eight seeds received a bye into the second round.

{{columns-list|colwidth=30em|

  1. {{flagicon|RUS}} Vera Zvonareva (final)
  2. {{flagicon|GER}} Andrea Petkovic (semifinals)
  3. {{flagicon|POL}} Agnieszka Radwańska (champion)
  4. {{flagicon|CHN}} Peng Shuai (quarterfinals)
  5. {{flagicon|SRB}} Ana Ivanovic (semifinals)
  6. {{flagicon|SVK}} Dominika Cibulková (withdrew due to a left abdominal muscle strain)
  7. {{flagicon|GER}} Julia Görges (second round)
  8. {{flagicon|SVK}} Daniela Hantuchová (quarterfinals)
  9. {{flagicon|ITA}} Roberta Vinci (second round)
  10. {{flagicon|ITA}} Flavia Pennetta (first round)
  11. {{flagicon|RUS}} Maria Kirilenko (second round, withdrew due to a left hip injury)
  12. {{flagicon|GER}} Sabine Lisicki (quarterfinals)
  13. {{flagicon|AUS}} Jarmila Gajdošová (first round)
  14. {{flagicon|RUS}} Elena Vesnina (first round)
  15. {{flagicon|ITA}} Sara Errani (third round)
  16. {{flagicon|SLO}} Polona Hercog (second round)

}}

Qualifying

{{Main|2011 Mercury Insurance Open – Singles qualifying}}

Draw

{{Draw key}}

= Finals =

{{8TeamBracket-Tennis3

| RD1=Quarterfinals

| RD2=Semifinals

| RD3=Final

| team-width=175

| RD1-seed1=1

| RD1-team1={{flagicon|RUS}} Vera Zvonareva

| RD1-score1-1=6

| RD1-score1-2=3

| RD1-score1-3=6

| RD1-seed2=12

| RD1-team2={{flagicon|GER}} Sabine Lisicki

| RD1-score2-1=3

| RD1-score2-2=6

| RD1-score2-3=4

| RD1-seed3=4

| RD1-team3={{flagicon|CHN}} Peng Shuai

| RD1-score3-1=4

| RD1-score3-2=2

| RD1-score3-3= 

| RD1-seed4=5

| RD1-team4={{flagicon|SRB}} Ana Ivanovic

| RD1-score4-1=6

| RD1-score4-2=6

| RD1-score4-3= 

| RD1-seed5=8

| RD1-team5={{flagicon|SVK}} Daniela Hantuchová

| RD1-score5-1=6

| RD1-score5-2=4

| RD1-score5-3=4

| RD1-seed6=3

| RD1-team6={{flagicon|POL}} Agnieszka Radwańska

| RD1-score6-1=0

| RD1-score6-2=6

| RD1-score6-3=6

| RD1-seed7=WC

| RD1-team7={{flagicon|USA}} Sloane Stephens

| RD1-score7-1=2

| RD1-score7-2=1

| RD1-score7-3= 

| RD1-seed8=2

| RD1-team8={{flagicon|GER}} Andrea Petkovic

| RD1-score8-1=6

| RD1-score8-2=6

| RD1-score8-3= 

| RD2-seed1=1

| RD2-team1={{flagicon|RUS}} Vera Zvonareva

| RD2-score1-1=5

| RD2-score1-2=6

| RD2-score1-3=6

| RD2-seed2=5

| RD2-team2={{flagicon|SRB}} Ana Ivanovic

| RD2-score2-1=7

| RD2-score2-2=4

| RD2-score2-3=4

| RD2-seed3=3

| RD2-team3={{flagicon|POL}} Agnieszka Radwańska

| RD2-score3-1=4

| RD2-score3-2=6

| RD2-score3-3=6

| RD2-seed4=2

| RD2-team4={{flagicon|GER}} Andrea Petkovic

| RD2-score4-1=6

| RD2-score4-2=0

| RD2-score4-3=4

| RD3-seed1=1

| RD3-team1={{flagicon|RUS}} Vera Zvonareva

| RD3-score1-1=3

| RD3-score1-2=4

| RD3-score1-3= 

| RD3-seed2=3

| RD3-team2={{flagicon|POL}} Agnieszka Radwańska

| RD3-score2-1=6

| RD3-score2-2=6

| RD3-score2-3= 

}}

= Top half =

== Section 1 ==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03=Q

| RD1-team03={{flagicon|USA}} J Craybas

| RD1-score03-1=6

| RD1-score03-2=6

| RD1-score03-3= 

| RD1-seed04=Q

| RD1-team04={{flagicon|CAN}} M-È Pelletier

| RD1-score04-1=1

| RD1-score04-2=1

| RD1-score04-3= 

| RD1-seed05= 

| RD1-team05={{flagicon|RUS}} V Dushevina

| RD1-score05-1=4

| RD1-score05-2=6

| RD1-score05-3=6

| RD1-seed06=WC

| RD1-team06={{flagicon|FRA}} A Rezaï

| RD1-score06-1=6

| RD1-score06-2=3

| RD1-score06-3=4

| RD1-seed07=Q

| RD1-team07={{flagicon|RSA}} N Grandin

| RD1-score07-1=61

| RD1-score07-2=6

| RD1-score07-3=4

| RD1-seed08=16

| RD1-team08={{flagicon|SLO}} P Hercog

| RD1-score08-1=77

| RD1-score08-2=2

| RD1-score08-3=6

| RD1-seed09=12

| RD1-team09={{flagicon|GER}} S Lisicki

| RD1-score09-1=6

| RD1-score09-2=6

| RD1-score09-3= 

| RD1-seed10=Q

| RD1-team10={{flagicon|HUN}} G Arn

| RD1-score10-1=0

| RD1-score10-2=2

| RD1-score10-3= 

| RD1-seed11= 

| RD1-team11={{flagicon|JPN}} K Date-Krumm

| RD1-score11-1=7

| RD1-score11-2=6

| RD1-score11-3= 

| RD1-seed12=WC

| RD1-team12={{flagicon|ARG}} G Dulko

| RD1-score12-1=5

| RD1-score12-2=0

| RD1-score12-3= 

| RD1-seed13= 

| RD1-team13={{flagicon|ROU}} S Cîrstea

| RD1-score13-1=5

| RD1-score13-2=77

| RD1-score13-3=3

| RD1-seed14= 

| RD1-team14={{flagicon|USA}} C Vandeweghe

| RD1-score14-1=7

| RD1-score14-2=63

| RD1-score14-3=6

| RD2-seed01=1

| RD2-team01={{flagicon|RUS}} V Zvonareva

| RD2-score01-1=6

| RD2-score01-2=7

| RD2-score01-3= 

| RD2-seed02=Q

| RD2-team02={{flagicon|USA}} J Craybas

| RD2-score02-1=4

| RD2-score02-2=5

| RD2-score02-3= 

| RD2-seed03= 

| RD2-team03={{flagicon|RUS}} V Dushevina

| RD2-score03-1=4

| RD2-score03-2=6

| RD2-score03-3=6

| RD2-seed04=16

| RD2-team04={{flagicon|SLO}} P Hercog

| RD2-score04-1=6

| RD2-score04-2=1

| RD2-score04-3=4

| RD2-seed05=12

| RD2-team05={{flagicon|GER}} S Lisicki

| RD2-score05-1=6

| RD2-score05-2=6

| RD2-score05-3= 

| RD2-seed06= 

| RD2-team06={{flagicon|JPN}} K Date-Krumm

| RD2-score06-1=1

| RD2-score06-2=2

| RD2-score06-3= 

| RD2-seed07= 

| RD2-team07={{flagicon|USA}} C Vandeweghe

| RD2-score07-1=67

| RD2-score07-2=6

| RD2-score07-3=6

| RD2-seed08=LL

| RD2-team08={{flagicon|UKR}} O Savchuk

| RD2-score08-1=79

| RD2-score08-2=4

| RD2-score08-3=3

| RD3-seed01=1

| RD3-team01={{flagicon|RUS}} V Zvonareva

| RD3-score01-1=6

| RD3-score01-2=6

| RD3-score01-3= 

| RD3-seed02= 

| RD3-team02={{flagicon|RUS}} V Dushevina

| RD3-score02-1=3

| RD3-score02-2=0

| RD3-score02-3= 

| RD3-seed03=12

| RD3-team03={{flagicon|GER}} S Lisicki

| RD3-score03-1=6

| RD3-score03-2=6

| RD3-score03-3= 

| RD3-seed04= 

| RD3-team04={{flagicon|USA}} C Vandeweghe

| RD3-score04-1=4

| RD3-score04-2=3

| RD3-score04-3= 

| RD4-seed01=1

| RD4-team01={{flagicon|RUS}} V Zvonareva

| RD4-score01-1=6

| RD4-score01-2=3

| RD4-score01-3=6

| RD4-seed02=12

| RD4-team02={{flagicon|GER}} S Lisicki

| RD4-score02-1=3

| RD4-score02-2=6

| RD4-score02-3=4

}}

== Section 2 ==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03= 

| RD1-team03={{flagicon|BLR}} O Govortsova

| RD1-score03-1=64

| RD1-score03-2=6

| RD1-score03-3=3

| RD1-seed04= 

| RD1-team04={{flagicon|AUS}} A Rodionova

| RD1-score04-1=77

| RD1-score04-2=2

| RD1-score04-3=6

| RD1-seed05= 

| RD1-team05={{flagicon|USA}} V King

| RD1-score05-1=6

| RD1-score05-2=4

| RD1-score05-3=7

| RD1-seed06=Q

| RD1-team06={{flagicon|JPN}} R Fujiwara

| RD1-score06-1=1

| RD1-score06-2=6

| RD1-score06-3=5

| RD1-seed07= 

| RD1-team07={{flagicon|IND}} S Mirza

| RD1-score07-1=2

| RD1-score07-2=3

| RD1-score07-3= 

| RD1-seed08=15

| RD1-team08={{flagicon|ITA}} S Errani

| RD1-score08-1=6

| RD1-score08-2=6

| RD1-score08-3= 

| RD1-seed09=10

| RD1-team09={{flagicon|ITA}} F Pennetta

| RD1-score09-1=6

| RD1-score09-2=2

| RD1-score09-3=2

| RD1-seed10= 

| RD1-team10={{flagicon|ITA}} A Brianti

| RD1-score10-1=1

| RD1-score10-2=6

| RD1-score10-3=6

| RD1-seed11= 

| RD1-team11={{flagicon|SWE}} S Arvidsson

| RD1-score11-1=6

| RD1-score11-2=6

| RD1-score11-3= 

| RD1-seed12=Q

| RD1-team12={{flagicon|USA}} A Weinhold

| RD1-score12-1=3

| RD1-score12-2=1

| RD1-score12-3= 

| RD1-seed13= 

| RD1-team13={{flagicon|JPN}} A Morita

| RD1-score13-1=6

| RD1-score13-2=4

| RD1-score13-3=7

| RD1-seed14= 

| RD1-team14={{flagicon|AUS}} J Dokić

| RD1-score14-1=1

| RD1-score14-2=6

| RD1-score14-3=5

| RD2-seed01=4

| RD2-team01={{flagicon|CHN}} S Peng

| RD2-score01-1=6

| RD2-score01-2=6

| RD2-score01-3= 

| RD2-seed02= 

| RD2-team02={{flagicon|AUS}} A Rodionova

| RD2-score02-1=1

| RD2-score02-2=3

| RD2-score02-3= 

| RD2-seed03= 

| RD2-team03={{flagicon|USA}} V King

| RD2-score03-1=3

| RD2-score03-2=2

| RD2-score03-3= 

| RD2-seed04=15

| RD2-team04={{flagicon|ITA}} S Errani

| RD2-score04-1=6

| RD2-score04-2=6

| RD2-score04-3= 

| RD2-seed05= 

| RD2-team05={{flagicon|ITA}} A Brianti

| RD2-score05-1=0

| RD2-score05-2=77

| RD2-score05-3=79

| RD2-seed06= 

| RD2-team06={{flagicon|SWE}} S Arvidsson

| RD2-score06-1=6

| RD2-score06-2=65

| RD2-score06-3=67

| RD2-seed07= 

| RD2-team07={{flagicon|JPN}} A Morita

| RD2-score07-1=1

| RD2-score07-2=65

| RD2-score07-3= 

| RD2-seed08=5

| RD2-team08={{flagicon|SRB}} A Ivanovic

| RD2-score08-1=6

| RD2-score08-2=77

| RD2-score08-3= 

| RD3-seed01=4

| RD3-team01={{flagicon|CHN}} S Peng

| RD3-score01-1=4

| RD3-score01-2=6

| RD3-score01-3=79

| RD3-seed02=15

| RD3-team02={{flagicon|ITA}} S Errani

| RD3-score02-1=6

| RD3-score02-2=2

| RD3-score02-3=67

| RD3-seed03= 

| RD3-team03={{flagicon|ITA}} A Brianti

| RD3-score03-1=1

| RD3-score03-2=2

| RD3-score03-3= 

| RD3-seed04=5

| RD3-team04={{flagicon|SRB}} A Ivanovic

| RD3-score04-1=6

| RD3-score04-2=6

| RD3-score04-3= 

| RD4-seed01=4

| RD4-team01={{flagicon|CHN}} S Peng

| RD4-score01-1=4

| RD4-score01-2=2

| RD4-score01-3= 

| RD4-seed02=5

| RD4-team02={{flagicon|SRB}} A Ivanovic

| RD4-score02-1=6

| RD4-score02-2=6

| RD4-score02-3= 

}}

= Bottom half =

== Section 3 ==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03= 

| RD1-team03={{flagicon|RSA}} C Scheepers

| RD1-score03-1=4

| RD1-score03-2=6

| RD1-score03-3=5

| RD1-seed04= 

| RD1-team04={{nowrap|{{flagicon|CZE}} B Záhlavová-Strýcová}}

| RD1-score04-1=6

| RD1-score04-2=1

| RD1-score04-3=7

| RD1-seed05= 

| RD1-team05={{flagicon|CRO}} M Lučić

| RD1-score05-1=7

| RD1-score05-2=2

| RD1-score05-3=63

| RD1-seed06= 

| RD1-team06={{flagicon|CHN}} J Zheng

| RD1-score06-1=5

| RD1-score06-2=6

| RD1-score06-3=77

| RD1-seed07= 

| RD1-team07={{flagicon|SRB}} B Jovanovski

| RD1-score07-1=6

| RD1-score07-2=4

| RD1-score07-3=1

| RD1-seed08=9

| RD1-team08={{flagicon|ITA}} R Vinci

| RD1-score08-1=3

| RD1-score08-2=6

| RD1-score08-3=6

| RD1-seed09=13

| RD1-team09={{flagicon|AUS}} J Gajdošová

| RD1-score09-1=3

| RD1-score09-2=2

| RD1-score09-3= 

| RD1-seed10= 

| RD1-team10={{flagicon|RUS}} A Kudryavtseva

| RD1-score10-1=6

| RD1-score10-2=6

| RD1-score10-3= 

| RD1-seed11=Q

| RD1-team11={{flagicon|USA}} ZG Scandalis

| RD1-score11-1=0

| RD1-score11-2=0

| RD1-score11-3= 

| RD1-seed12= 

| RD1-team12={{flagicon|USA}} C McHale

| RD1-score12-1=6

| RD1-score12-2=6

| RD1-score12-3= 

| RD1-seed13= 

| RD1-team13={{flagicon|USA}} M Oudin

| RD1-score13-1=0

| RD1-score13-2=1

| RD1-score13-3= 

| RD1-seed14= 

| RD1-team14={{flagicon|GBR}} E Baltacha

| RD1-score14-1=6

| RD1-score14-2=6

| RD1-score14-3= 

| RD2-seed01=8

| RD2-team01={{flagicon|SVK}} D Hantuchová

| RD2-score01-1=6

| RD2-score01-2=6

| RD2-score01-3= 

| RD2-seed02= 

| RD2-team02={{nowrap|{{flagicon|CZE}} B Záhlavová-Strýcová}}

| RD2-score02-1=1

| RD2-score02-2=3

| RD2-score02-3= 

| RD2-seed03= 

| RD2-team03={{flagicon|CHN}} J Zheng

| RD2-score03-1=6

| RD2-score03-2=6

| RD2-score03-3= 

| RD2-seed04=9

| RD2-team04={{flagicon|ITA}} R Vinci

| RD2-score04-1=4

| RD2-score04-2=2

| RD2-score04-3= 

| RD2-seed05= 

| RD2-team05={{flagicon|RUS}} A Kudryavtseva

| RD2-score05-1=2

| RD2-score05-2=1

| RD2-score05-3=r

| RD2-seed06= 

| RD2-team06={{flagicon|USA}} C McHale

| RD2-score06-1=6

| RD2-score06-2=3

| RD2-score06-3= 

| RD2-seed07= 

| RD2-team07={{flagicon|GBR}} E Baltacha

| RD2-score07-1=0

| RD2-score07-2=64

| RD2-score07-3= 

| RD2-seed08=3

| RD2-team08={{flagicon|POL}} A Radwańska

| RD2-score08-1=6

| RD2-score08-2=77

| RD2-score08-3= 

| RD3-seed01=8

| RD3-team01={{flagicon|SVK}} D Hantuchová

| RD3-score01-1=6

| RD3-score01-2=4

| RD3-score01-3=6

| RD3-seed02= 

| RD3-team02={{flagicon|CHN}} J Zheng

| RD3-score02-1=2

| RD3-score02-2=6

| RD3-score02-3=4

| RD3-seed03= 

| RD3-team03={{flagicon|USA}} C McHale

| RD3-score03-1=1

| RD3-score03-2=0

| RD3-score03-3= 

| RD3-seed04=3

| RD3-team04={{flagicon|POL}} A Radwańska

| RD3-score04-1=6

| RD3-score04-2=6

| RD3-score04-3= 

| RD4-seed01=8

| RD4-team01={{flagicon|SVK}} D Hantuchová

| RD4-score01-1=6

| RD4-score01-2=4

| RD4-score01-3=4

| RD4-seed02=3

| RD4-team02={{flagicon|POL}} A Radwańska

| RD4-score02-1=0

| RD4-score02-2=6

| RD4-score02-3=6

}}

== Section 4 ==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03= 

| RD1-team03={{flagicon|CHN}} S Zhang

| RD1-score03-1=4

| RD1-score03-2=2

| RD1-score03-3= 

| RD1-seed04=WC

| RD1-team04={{flagicon|USA}} S Stephens

| RD1-score04-1=6

| RD1-score04-2=6

| RD1-score04-3= 

| RD1-seed05= 

| RD1-team05={{flagicon|AUT}} T Paszek

| RD1-score05-1=0

| RD1-score05-2=6

| RD1-score05-3=7

| RD1-seed06= 

| RD1-team06={{flagicon|ROU}} S Halep

| RD1-score06-1=6

| RD1-score06-2=4

| RD1-score06-3=5

| RD1-seed07= 

| RD1-team07={{flagicon|CAN}} R Marino

| RD1-score07-1=3

| RD1-score07-2=2

| RD1-score07-3= 

| RD1-seed08=11

| RD1-team08={{flagicon|RUS}} M Kirilenko

| RD1-score08-1=6

| RD1-score08-2=6

| RD1-score08-3= 

| RD1-seed09=14

| RD1-team09={{flagicon|RUS}} E Vesnina

| RD1-score09-1=1

| RD1-score09-2=2

| RD1-score09-3= 

| RD1-seed10=Q

| RD1-team10={{flagicon|NZL}} M Erakovic

| RD1-score10-1=6

| RD1-score10-2=6

| RD1-score10-3= 

| RD1-seed11= 

| RD1-team11={{flagicon|CZE}} L Hradecká

| RD1-score11-1=79

| RD1-score11-2=65

| RD1-score11-3=1

| RD1-seed12= 

| RD1-team12={{flagicon|FRA}} V Razzano

| RD1-score12-1=67

| RD1-score12-2=77

| RD1-score12-3=6

| RD1-seed13= 

| RD1-team13={{flagicon|RUS}} E Makarova

| RD1-score13-1=1

| RD1-score13-2=2

| RD1-score13-3= 

| RD1-seed14=WC

| RD1-team14={{flagicon|USA}} A Glatch

| RD1-score14-1=6

| RD1-score14-2=6

| RD1-score14-3= 

| RD2-seed01=7

| RD2-team01={{flagicon|GER}} J Görges

| RD2-score01-1=3

| RD2-score01-2=5

| RD2-score01-3= 

| RD2-seed02=WC

| RD2-team02={{flagicon|USA}} S Stephens

| RD2-score02-1=6

| RD2-score02-2=7

| RD2-score02-3= 

| RD2-seed03= 

| RD2-team03={{flagicon|AUT}} T Paszek

| RD2-score03-1=w/o

| RD2-score03-2= 

| RD2-score03-3= 

| RD2-seed04=11

| RD2-team04={{flagicon|RUS}} M Kirilenko

| RD2-score04-1= 

| RD2-score04-2= 

| RD2-score04-3= 

| RD2-seed05=Q

| RD2-team05={{flagicon|NZL}} M Erakovic

| RD2-score05-1=1

| RD2-score05-2=3

| RD2-score05-3= 

| RD2-seed06= 

| RD2-team06={{flagicon|FRA}} V Razzano

| RD2-score06-1=6

| RD2-score06-2=6

| RD2-score06-3= 

| RD2-seed07=WC

| RD2-team07={{flagicon|USA}} A Glatch

| RD2-score07-1=3

| RD2-score07-2=4

| RD2-score07-3= 

| RD2-seed08=2

| RD2-team08={{flagicon|GER}} A Petkovic

| RD2-score08-1=6

| RD2-score08-2=6

| RD2-score08-3= 

| RD3-seed01=WC

| RD3-team01={{flagicon|USA}} S Stephens

| RD3-score01-1=5

| RD3-score01-2= 

| RD3-score01-3= 

| RD3-seed02= 

| RD3-team02={{flagicon|AUT}} T Paszek

| RD3-score02-1=3

| RD3-score02-2=r

| RD3-score02-3= 

| RD3-seed03= 

| RD3-team03={{flagicon|FRA}} V Razzano

| RD3-score03-1=2

| RD3-score03-2=0

| RD3-score03-3=r

| RD3-seed04=2

| RD3-team04={{flagicon|GER}} A Petkovic

| RD3-score04-1=6

| RD3-score04-2=3

| RD3-score04-3= 

| RD4-seed01=WC

| RD4-team01={{flagicon|USA}} S Stephens

| RD4-score01-1=2

| RD4-score01-2=1

| RD4-score01-3= 

| RD4-seed02=2

| RD4-team02={{flagicon|GER}} A Petkovic

| RD4-score02-1=6

| RD4-score02-2=6

| RD4-score02-3= 

}}