# 2011 Winston-Salem Open – Singles

Sergiy Stakhovsky was the defending champion, but lost to Julien Benneteau in the quarterfinals. John Isner defeated Benneteau in the final, 4–6, 6–3, 6–4.

## Seeds

All seeds received a bye into the second round.
* Andy Roddick (semifinals)
* Jürgen Melzer (second round)
* Alexandr Dolgopolov (quarterfinals)
* John Isner (champion)
* Nikolay Davydenko (third round)
* Kevin Anderson (withdrew due to illness)
* Juan Mónaco (quarterfinals)
* Marcos Baghdatis (quarterfinals)
* Sergiy Stakhovsky (quarterfinals)
* Robin Haase (semifinals)
* Dmitry Tursunov (second round)
* Pablo Andújar (second round)
* Jarkko Nieminen (third round)
* Grigor Dimitrov (third round)
* Santiago Giraldo (third round)
* Igor Kunitsyn (second round)

## 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1/WC | Andy Roddick | 6 | 6 | | | | | | | | | | | |
| 7 | Juan Mónaco | 1 | 4 | | | | | | | | | | | |
| 7 | Juan Mónaco | 1 | 4 | | 1/WC | Andy Roddick | 6$^7$ | 4 | | | | | | |
| | | | | | 4 | John Isner | 7$^9$ | 6 | | | | | | |
| 4 | John Isner | 1 | 6 | 6 | 4 | John Isner | 7$^9$ | 6 | | | | | | |
| 8 | Marcos Baghdatis | 6 | 3 | 4 | | | | | | | | | | |
| 8 | Marcos Baghdatis | 6 | 3 | 4 | | | | | | 4 | John Isner | 4 | 6 | 6 |
| | | | | | | | | | | Q | Julien Benneteau | 6 | 3 | 4 |
| 10 | Robin Haase | 6 | 6 | | | | | | | | | | | | Q | Julien Benneteau | 6 | 3 | 4 |
| 3 | Alexandr Dolgopolov | 4 | 4 | | | | | | | | | | | |
| 3 | Alexandr Dolgopolov | 4 | 4 | | 10 | Robin Haase | 6 | 6$^7$ | 6$^6$ | | | | | |
| | | | | | Q | Julien Benneteau | 3 | 7$^9$ | 7$^8$ | | | | | |
| 9 | Sergiy Stakhovsky | 6 | 6$^9$ | 2 | Q | Julien Benneteau | 3 | 7$^9$ | 7$^8$ | | | | | |
| Q | Julien Benneteau | 3 | 7$^{11}$ | 6 | | | | | | | | | | |

### Top half
#### Section 1

| First round | 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 |
| | | | | | 1/WC | A Roddick | 6 | 6 | | | | | | | | |
| LL | É Roger-Vasselin | 7$^7$ | 2 | 7$^7$ | LL | É Roger-Vasselin | 2 | 4 | | | | | | | | |
| | L Rosol | 6$^5$ | 6 | 6$^4$ | | | | | 1/WC | A Roddick | 6 | 6 | | | | |
| | B Kavčič | 6 | 7$^7$ | | | | | | 15 | S Giraldo | 1 | 3 | | | | |
| WC | L Hewitt | 4 | 6$^3$ | | | B Kavčič | 2 | 3 | | | | | | | | |
| | | | | | 15 | S Giraldo | 6 | 6 | | | | | | | | |
| | | | | | | | | | | | | | 1/WC | A Roddick | 6 | 6 |
| | | | | | | | | | | | | | 7 | J Mónaco | 1 | 4 |
| | | | | | 12 | P Andújar | 6$^3$ | 2 | | | | | | | | |
| Q | K Nishikori | 1 | 6 | 7$^7$ | Q | K Nishikori | 7$^7$ | 6 | | | | | | | | |
| | G Müller | 6 | 4 | 6$^5$ | | | | | Q | K Nishikori | 0 | 3 | | | | |
| | T Kamke | 6 | 6 | | | | | | 7 | J Mónaco | 6 | 6 | | | | |
| | A Falla | 1 | 0 | | | T Kamke | 5 | 0 | | | | | | | | |
| | | | | | 7 | J Mónaco | 7 | 6 | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 4 | J Isner | 7$^7$ | 6 | | | | | | | | | | |
| D Sela | 6 | 6 | | | D Sela | 6$^3$ | 2 | | | | | | | | | | |
| F Volandri | 3 | 2 | | | | | | | 4 | J Isner | 7$^7$ | 6 | | | | | |
| D Istomin | 7$^7$ | 6 | | | | | | | 13 | J Nieminen | 6$^4$ | 2 | | | | | |
| M Bachinger | 6$^1$ | 1 | | | D Istomin | 6 | 4 | 4 | | | | | | | | | |
| | | | | 13 | J Nieminen | 3 | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | 4 | J Isner | 1 | 6 | 6 |
| | | | | | | | | | | | | | 8 | M Baghdatis | 6 | 3 | 4 |
| | | | | 11 | D Tursunov | 6 | 1 | 3 | | | | | | | | | |
| S Darcis | 3 | 6 | 6 | | S Darcis | 3 | 6 | 6 | | | | | | | | | |
| F Gil | 6 | 3 | 4 | | | | | | | S Darcis | 5 | 0 | | | | | |
| R Sweeting | 6 | 7 | | | | | | | 8 | M Baghdatis | 7 | 6 | | | | | |
| O Rochus | 3 | 5 | | | R Sweeting | 5 | 1 | | | | | | | | | | |
| | | | | 8 | M Baghdatis | 7 | 6 | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | 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 |
| | | | | | LL | P-L Duclos | 7 | 7 | | | | | | | | | | |
| | V Hănescu | 6 | 3 | 4 | WC | R Harrison | 5 | 5 | | | | | | | | | | |
| WC | R Harrison | 1 | 6 | 6 | | | | | | LL | P-L Duclos | 4 | 5 | | | | | |
| | M Kukushkin | 5 | 1 | | | | | | | 10 | R Haase | 6 | 7 | | | | | |
| | J Blake | 7 | 6 | | | J Blake | 4 | 1 | | | | | | | | | | |
| | | | | | 10 | R Haase | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 10 | R Haase | 6 | 6 |
| | | | | | | | | | | | | | | | 3 | A Dolgopolov | 4 | 4 |
| | | | | | 14 | G Dimitrov | 6 | 2 | 7$^7$ | | | | | | | | | |
| WC | D Young | 6 | 6 | | WC | D Young | 4 | 6 | 6$^2$ | | | | | | | | | |
| | M Berrer | 3 | 4 | | | | | | | 14 | G Dimitrov | 4 | 6 | 6$^7$ | | | | |
| | C Berlocq | 7 | 4 | | | | | | | 3 | A Dolgopolov | 6 | 1 | 7$^9$ | | | | |
| | A Haider-Maurer | 5 | 1$^r$ | | | C Berlocq | 4 | 4 | | | | | | | | | | |
| | | | | | 3 | A Dolgopolov | 6 | 6 | | | | | | | | | | |

#### Section 4

| First round | First round | 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 | Quarterfinals |
| | | | | | 5 | N Davydenko | 6 | 6 | | | | | | | | | | | |
| Q | M Russell | 6 | 6$^3$ | 6 | Q | M Russell | 2 | 2 | | | | | | | | | | | |
| | A Mannarino | 4 | 7$^7$ | 2 | | | | | | 5 | N Davydenko | 4 | 4 | | | | | | |
| | A Golubev | 6 | 4 | 6 | | | | | | 9 | S Stakhovsky | 6 | 6 | | | | | | |
| | M González | 2 | 6 | 4 | | A Golubev | 1 | 6 | 4 | | | | | | | | | | |
| | | | | | 9 | S Stakhovsky | 6 | 2 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 9 | S Stakhovsky | 6 | 6$^9$ | 2 |
| | | | | | | | | | | | | | | | Q | J Benneteau | 3 | 7$^{11}$ | 6 |
| | | | | | 16 | I Kunitsyn | 3 | 1 | | | | | | | | | | | |
| Q | R Mello | 1 | 3 | | Q | J Benneteau | 6 | 6 | | | | | | | | | | | |
| Q | J Benneteau | 6 | 6 | | | | | | | Q | J Benneteau | 2 | 6 | 7$^7$ | | | | | |
| | B Tomic | 7$^7$ | 3 | 4 | | | | | | | I Andreev | 6 | 1 | 6$^5$ | | | | | |
| | I Andreev | 6$^5$ | 6 | 6 | | I Andreev | 7 | 6 | | | | | | | | | | | |
| | | | | | 2 | J Melzer | 5 | 3 | | | | | | | | | | | |