# 2011 Citi Open – Singles

Nadia Petrova won the first edition of this tournament, defeating Shahar Pe'er 7–5, 6–2 in the final.

## Seeds

* Shahar Pe'er (final)
* Nadia Petrova (champion)
* Tamira Paszek (semifinals)
* Jelena Dokić (first round)
* Bojana Jovanovski (quarterfinals)
* Elena Baltacha (second round)
* Sania Mirza (first round)
* Alberta Brianti (quarterfinals)

## 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 | Shahar Pe'er | 3 | 7$^7$ | 6 | | | | |
| 3 | Tamira Paszek | 6 | 6$^2$ | 4 | | | | |
| 3 | Tamira Paszek | 6 | 6$^2$ | 4 | 1 | Shahar Pe'er | 5 | 2 |
| | | | | | 2/WC | Nadia Petrova | 7 | 6 |
| | Irina Falconi | 6 | 1 | 3 | 2/WC | Nadia Petrova | 7 | 6 |
| 2/WC | Nadia Petrova | 1 | 6 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | Shahar Pe'er | 6 | 6 | | | | | | | | | | | | | | | | |
| Q | Ryoko Fuda | 4 | 2 | | 1 | S Pe'er | 6 | 6 | | | | | | | | | | | |
| | Alla Kudryavtseva | 4 | 6 | 6 | | A Kudryavtseva | 1 | 4 | | | | | | | | | | | |
| | Chanelle Scheepers | 6 | 4 | 2 | | | | | | 1 | S Pe'er | 6 | 6 | | | | | | |
| | Varvara Lepchenko | 4 | 6 | 6 | | | | | | 8 | A Brianti | 1 | 2 | | | | | | |
| WC | Sloane Stephens | 6 | 4 | 3 | | V Lepchenko | 1 | 2 | | | | | | | | | | | |
| | Anne Keothavong | 3 | 4 | | 8 | A Brianti | 6 | 6 | | | | | | | | | | | |
| 8 | Alberta Brianti | 6 | 6 | | | | | | | | | | | | 1 | S Pe'er | 3 | 7$^7$ | 6 |
| 3 | Tamira Paszek | 7$^7$ | 3 | 6 | | | | | | | | | | | 3 | T Paszek | 6 | 6$^2$ | 4 |
| | Melanie Oudin | 6$^2$ | 6 | 2 | 3 | T Paszek | 6 | 6 | | | | | | | | | | | |
| PR | Melinda Czink | 6$^5$ | 5 | | Q | M Brengle | 3 | 1 | | | | | | | | | | | |
| Q | Madison Brengle | 7$^7$ | 7 | | | | | | | 3 | T Paszek | 5 | 6 | 7$^7$ | | | | | |
| | Eleni Daniilidou | 4 | 1 | | | | | | | | S Dubois | 7 | 4 | 6$^2$ | | | | | |
| | Heather Watson | 6 | 6 | | | H Watson | 6 | 5 | 1 | | | | | | | | | | |
| | Stéphanie Dubois | 7 | 6 | | | S Dubois | 3 | 7 | 6 | | | | | | | | | | |
| 7 | Sania Mirza | 5 | 4 | | | | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | Elena Baltacha | 6 | 7$^7$ | | | | | | | | | | | | | | | |
| | Yaroslava Shvedova | 2 | 6$^5$ | | 6 | E Baltacha | 4 | 2 | | | | | | | | | | |
| | Virginie Razzano | 6 | 6 | | | V Razzano | 6 | 6 | | | | | | | | | | |
| WC | Misaki Doi | 2 | 2 | | | | | | | | V Razzano | 4 | 3 | | | | | |
| | Olga Govortsova | 3 | 4 | | | | | | | | I Falconi | 6 | 6 | | | | | |
| | Irina Falconi | 6 | 6 | | | I Falconi | 6 | 0 | | | | | | | | | | |
| | Shuai Zhang | 6 | 6 | | | S Zhang | 4 | 0$^r$ | | | | | | | | | | |
| 4 | Jelena Dokić | 3 | 4 | | | | | | | | | | | | I Falconi | 6 | 1 | 3 |
| 5 | Bojana Jovanovski | 6 | 6 | | | | | | | | | | | 2/WC | N Petrova | 1 | 6 | 6 |
| Q | Petra Rampre | 0 | 2 | | 5 | B Jovanovski | 6 | 5 | 6 | | | | | | | | | |
| | Jill Craybas | 2 | 6 | 6 | | J Craybas | 4 | 7 | 4 | | | | | | | | | |
| | Jie Zheng | 6 | 3 | 2 | | | | | | 5 | B Jovanovski | 6$^4$ | 5 | | | | | |
| | Alison Riske | 3 | 2 | | | | | | | 2/WC | N Petrova | 7$^7$ | 7 | | | | | |
| WC | Eugenie Bouchard | 6 | 6 | | WC | E Bouchard | 2 | 2 | | | | | | | | | | |
| Q | Alexandra Mueller | 2 | 2 | | 2/WC | N Petrova | 6 | 6 | | | | | | | | | | |
| 2/WC | Nadia Petrova | 6 | 6 | | | | | | | | | | | | | | | |

## Qualifying
### Players
#### Seeds

* Julia Cohen (second round)
* Lauren Albanese (second round)
* Petra Rampre (qualified)
* Madison Brengle (qualified)
* Beatrice Capra (qualifying competition)
* Ryoko Fuda (qualified)
* Tammi Patterson (second round)
* Asia Muhammed (qualifying competition)

#### Qualifiers

* Alexandra Mueller
* Ryoko Fuda
* Petra Rampre
* Madison Brengle

### Qualifying draw
#### First qualifier

| First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| | | | 1 | Julia Cohen | 1 | 0 | | | | | |
| Danielle Mills | 2 | 2 | | Alexandra Mueller | 6 | 6 | | | | | |
| Alexandra Mueller | 6 | 6 | | | | | | Alexandra Mueller | 3 | 6 | 7$^7$ |
| | | | | | | | 8 | Asia Muhammed | 6 | 4 | 6$^5$ |
| | | | WC | Skylar Morton | 4 | 2 | | | | | |
| | | | 8 | Asia Muhammed | 6 | 6 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| | | | | 2 | Lauren Albanese | 6$^5$ | 0$^r$ | | | | | |
| | | | | | Kim Grajdek | 7$^7$ | 1 | | | | | |
| | | | | | | | | | Kim Grajdek | 6 | 3 | 0 |
| WC | Tara Iyer | 6$^4$ | 2 | | | | | 6 | Ryoko Fuda | 2 | 6 | 6 |
| | Līga Dekmeijere | 7$^7$ | 6 | | Līga Dekmeijere | 0 | 0 | | | | | |
| | | | | 6 | Ryoko Fuda | 6 | 6 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| | | | | 3 | Petra Rampre | 6 | 7$^9$ | | | | | |
| | | | | WC | Sachia Vickery | 3 | 6$^7$ | | | | | |
| | | | | | | | | | 3 | Petra Rampre | 6 | 6 |
| WC | Eleanor Peters | 1 | 0 | | | | | | | Gabriela Dabrowski | 4 | 1 |
| | Gabriela Dabrowski | 6 | 6 | | Gabriela Dabrowski | 6 | 3 | 7$^7$ | | | | |
| | | | | 7 | Tammi Patterson | 3 | 6 | 6$^2$ | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| | | | | 4 | Madison Brengle | 6 | 6 | | | | | |
| | Whitney Jones | 6 | 6 | | Whitney Jones | 2 | 1 | | | | | |
| WC | Valentini Grammatikopoulou | 2 | 2 | | | | | 4 | Madison Brengle | 7$^7$ | 6$^4$ | 6 |
| | | | | | | | | 5 | Beatrice Capra | 6$^4$ | 7$^7$ | 1 |
| | | | | | Katie Ruckert | 2 | 0 | | | | | |
| | | | | 5 | Beatrice Capra | 6 | 6 | | | | | |