Five-time defending champion Esther Vergeer defeated Aniek van Koot in the final, 6–2, 6–1 to win the women's singles wheelchair tennis title at the 2011 US Open.
| Wheelchair women's singles | |
|---|---|
| 2011 US Open | |
| Champion |  Esther Vergeer |
| Runner-up | Aniek van Koot |
| Score | 6–2, 6–1 |
Seeds edit
Esther Vergeer (champion)- Jiske Griffioen (semifinals)
Draw edit
Key edit
- 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 edit
| Quarterfinals | Semifinals | Finals | ||||||||||||||||||
| 1 | Esther Vergeer
| 6 | 6 | |||||||||||||||||
| Marjolein Buis
| 1 | 0 | ||||||||||||||||||
| 1 | Esther Vergeer
| 6 | 6 | |||||||||||||||||
 Annick Sevenans
| 2 | 3 | ||||||||||||||||||
 Daniela di Toro
| 3 | 3 | ||||||||||||||||||
| Annick Sevenans
| 6 | 6 | ||||||||||||||||||
| 1 | Esther Vergeer
| 6 | 6 | |||||||||||||||||
| Aniek van Koot
| 2 | 1 | ||||||||||||||||||
| Aniek van Koot
| 7 | 6 | ||||||||||||||||||
| Sharon Walraven
| 5 | 1 | ||||||||||||||||||
| Aniek van Koot
| 6 | 6 | ||||||||||||||||||
| 2 | Jiske Griffioen
| 3 | 2 | |||||||||||||||||
| WC |  Emmy Kaiser
| 2 | 2 | |||||||||||||||||
| 2 | Jiske Griffioen
| 6 | 6 | |||||||||||||||||