# Badminton at the 2011 Pan American Games – Women's singles

The women's singles badminton event at the 2011 Pan American Games was held from October 15–20 at the Multipurpose Gymnasium in Guadalajara. The defending Pan American Games champion was Eva Lee of the United States, while the defending Pan American Championship champion was Cee Nantana Ketpura, also of the United States.
The athletes were drawn into an elimination stage draw. Once a team lost a match it was no longer able to compete. The draw for the competition was done on October 7, 2011.

## Seeds

* Michelle Li (CAN) (champion)
* Rena Wang (USA) (quarterfinals)
* Joycelyn Ko (CAN) (finals)
* Victoria Montero (MEX) (semifinals)
* Claudia Rivero (PER) (semifinals)
* Christina Aicardi (PER) (quarterfinals)
* Iris Wang (USA) (quarterfinals)
* Alejandra Monteverde (PER) (third round)

## Results
### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Finals | Finals | Finals | Finals |
| 1 | Michelle Li (CAN) | 21 | 21 | | | | | | | | | |
| 7 | Iris Wang (USA) | 15 | 16 | | | | | | | | | |
| 7 | Iris Wang (USA) | 15 | 16 | 1 | Michelle Li (CAN) | 21 | 21 | | | | | |
| | | | | 4 | Victoria Montero (MEX) | 10 | 7 | | | | | |
| 4 | Victoria Montero (MEX) | 21 | 21 | 4 | Victoria Montero (MEX) | 10 | 7 | | | | | |
| 6 | Christina Aicardi (PER) | 15 | 10 | | | | | | | | | |
| 6 | Christina Aicardi (PER) | 15 | 10 | | | | | | 1 | Michelle Li (CAN) | 21 | 21 |
| | | | | | | | | | 3 | Joycelyn Ko (CAN) | 12 | 13 |
| | Lohaynny Vicente (BRA) | 11 | 12 | | | | | | | | | | 3 | Joycelyn Ko (CAN) | 12 | 13 |
| 3 | Joycelyn Ko (CAN) | 21 | 21 | | | | | | | | | |
| 3 | Joycelyn Ko (CAN) | 21 | 21 | 3 | Joycelyn Ko (CAN) | 21 | 17 | 21 | | | | |
| | | | | 5 | Claudia Rivero (PER) | 9 | 21 | 10 | | | | |
| 5 | Claudia Rivero (PER) | 21 | 21 | 5 | Claudia Rivero (PER) | 9 | 21 | 10 | | | | |
| 2 | Rena Wang (USA) | 15 | 19 | | | | | | | | | |

### Top half
#### Section 1

| Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | M Li (CAN) | 21 | 21 | | | | | | | | |
| | F Silba (BRA) | 10 | 14 | | | | | | | | |
| | | | | 1 | M Li (CAN) | 21 | 21 | | | | |
| | | | | | A de Leon (GUA) | 14 | 6 | | | | |
| | A de Leon (GUA) | 21 | 21 | | | | | | | | |
| | O Cabrera (DOM) | 12 | 8 | | | | | | | | |
| | | | | | | | | 1 | M Li (CAN) | 21 | 21 |
| | | | | | | | | 7 | I Wang (USA) | 15 | 16 |
| 7 | I Wang (USA) | 21 | 21 | | | | | | | | |
| | P Saravia (GUA) | 11 | 13 | | | | | | | | |
| | | | | 7 | I Wang (USA) | 21 | 21 | | | | |
| | | | | | C Leefmans (SUR) | 10 | 10 | | | | |
| | C Leefmans (SUR) | 21 | 21 | | | | | | | | |
| | V Valdesolo (ARG) | 16 | 6 | | | | | | | | |

#### Section 2

| First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | 4 | V Montero (MEX) | 21 | 21 | | | | | | | | | | |
| | | | | K Wynter (JAM) | 7 | 3 | | | | | | | | | | |
| | | | | | | | | 4 | V Montero (MEX) | 21 | 21 | | | | | |
| | | | | | | | | | E Capote (ECU) | 5 | 18 | | | | | |
| | | | | P Tjitrodipo (SUR) | 16 | 8 | | | | | | | | | | |
| | | | | E Capote (ECU) | 21 | 21 | | | | | | | | | | |
| | | | | | | | | | | | | | 4 | V Montero (MEX) | 21 | 21 |
| | | | | | | | | | | | | | 6 | C Aicardi (PER) | 15 | 10 |
| | | | 6 | C Aicardi (PER) | 21 | 21 | | | | | | | | | | |
| | | | | N Villegas (CHI) | 19 | 9 | | | | | | | | | | |
| | | | | | | | | 6 | C Aicardi (PER) | 21 | 11 | 21 | | | | |
| | | | | | | | | | M Hernandez (CUB) | 15 | 21 | 19 | | | | |
| | | | | M Hernandez (CUB) | 20 | 21 | 24 | | | | | | | | | |
| E Quintero (VEN) | 4 | 3 | | N Rangel (MEX) | 22 | 12 | 22 | | | | | | | | | |
| N Rangel (MEX) | 21 | 21 | | | | | | | | | | | | | | |

### Bottom half
#### Section 3

| First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| B Vivieca (DOM) | 14 | 21 | 24 | | | | | | | | | | | | |
| L Vicente (BRA) | 21 | 19 | 26 | | L Vicente (BRA) | 21 | 21 | | | | | | | | |
| | | | | | M Haldane (JAM) | 17 | 7 | | | | | | | | |
| | | | | | | | | | L Vicente (BRA) | 21 | 21 | | | | |
| | | | | | | | | 8 | A Monteverde (PER) | 18 | 18 | | | | |
| | | | | | R Ishaak (SUR) | 11 | 9 | | | | | | | | |
| | | | | 8 | A Monteverde (PER) | 21 | 21 | | | | | | | | |
| | | | | | | | | | | | | | L Vicente (BRA) | 11 | 12 |
| | | | | | | | | | | | | 3 | J Ko (CAN) | 21 | 21 |
| | | | | | S Daneysha (PUR) | 21 | 21 | | | | | | | | |
| | | | | | C Chou (CHI) | 14 | 14 | | | | | | | | |
| | | | | | | | | | S Daneysha (PUR) | 9 | 7 | | | | |
| | | | | | | | | 3 | J Ko (CAN) | 21 | 21 | | | | |
| | | | | | M Ugalde (MEX) | 11 | 19 | | | | | | | | |
| | | | | 3 | J Ko (CAN) | 21 | 21 | | | | | | | | |

#### Section 4

| Second Round | Second Round | Second Round | Second Round | Third Round | Third Round | Third Round | Third Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | S Sotomayor (GUA) | 21 | 21 | | | | | | | | |
| | G Araujo (VEN) | 6 | 12 | | | | | | | | |
| | | | | | N Sotomayor (GUA) | 6 | 1 | | | | |
| | | | | 5 | C Rivero (PER) | 21 | 21 | | | | |
| | S Watson (BAR) | 8 | 8 | | | | | | | | |
| 5 | C Rivero (PER) | 21 | 21 | | | | | | | | |
| | | | | | | | | 5 | C Rivero (PER) | 21 | 21 |
| | | | | | | | | 2 | R Wang (USA) | 15 | 19 |
| | L Vicente (BRA) | 21 | 21 | | | | | | | | |
| | L Tovar (VEN) | 8 | 8 | | | | | | | | |
| | | | | | L Vicente (BRA) | 18 | 8 | | | | |
| | | | | 2 | R Wang (USA) | 21 | 21 | | | | |
| | C Mislenis (CUB) | 10 | 11 | | | | | | | | |
| 2 | R Wang (USA) | 21 | 21 | | | | | | | | |