# 2013 Winston-Salem Open – Singles

John Isner was the two-time defending champion, but withdrew from the tournament because of a hip injury. Jürgen Melzer won the title, defeating Gaël Monfils in the final, 6–3, 2–1, ret.

## Seeds

All seeds received a bye into the second round.
* Tomáš Berdych (withdrew because of a right shoulder injury)
* Andreas Seppi (second round)
* John Isner (withdrew because of a hip injury)
* Tommy Robredo (third round)
* Benoît Paire (third round)
* Sam Querrey (semifinals)
* Fernando Verdasco (quarterfinals)
* Juan Mónaco (third round)
* Jürgen Melzer (champion)
* Alexandr Dolgopolov (semifinals)
* Jarkko Nieminen (third round)
* Lukáš Rosol (second round)
* Dmitry Tursunov (quarterfinals)
* Martin Kližan (second round)
* Gaël Monfils (final, retired because of a left hip injury)
* Pablo Andújar (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 |
| | Ričardas Berankis | 3 | 4 | | | | | | | | | | |
| 6 | Sam Querrey | 6 | 6 | | | | | | | | | | |
| 6 | Sam Querrey | 6 | 6 | | 6 | Sam Querrey | 2 | 6 | 3 | | | | |
| | | | | | 9 | Jürgen Melzer | 6 | 4 | 6 | | | | |
| 13 | Dmitry Tursunov | 4 | 3 | | 9 | Jürgen Melzer | 6 | 4 | 6 | | | | |
| 9 | Jürgen Melzer | 6 | 6 | | | | | | | | | | |
| 9 | Jürgen Melzer | 6 | 6 | | | | | | | 9 | Jürgen Melzer | 6 | 2 |
| | | | | | | | | | | 15 | Gaël Monfils | 3 | 1$^r$ |
| 7/WC | Fernando Verdasco | 7$^{10}$ | 4 | 4 | | | | | | | | | | 15 | Gaël Monfils | 3 | 1$^r$ |
| 15 | Gaël Monfils | 6$^8$ | 6 | 6 | | | | | | | | | |
| 15 | Gaël Monfils | 6$^8$ | 6 | 6 | 15 | Gaël Monfils | 7$^{11}$ | 6 | | | | | |
| | | | | | 10 | Alexandr Dolgopolov | 6$^9$ | 3 | | | | | |
| 10 | Alexandr Dolgopolov | 7$^7$ | 6 | | 10 | Alexandr Dolgopolov | 6$^9$ | 3 | | | | | |
| | Lu Yen-hsun | 6$^2$ | 3 | | | | | | | | | | |

### Top half
#### Section 1

| 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 | D Kudla | 4 | 4 | | | | | | | | | | |
| | R Berankis | 7$^7$ | 6 | | | R Berankis | 6 | 6 | | | | | | | | | | |
| | K de Schepper | 6$^3$ | 4 | | | | | | | | R Berankis | 6 | 6 | | | | | |
| Q | F Nielsen | 1 | 3 | | | | | | | | R Bautista-Agut | 3 | 3 | | | | | |
| | R Bautista-Agut | 6 | 6 | | | R Bautista-Agut | 6 | 6 | | | | | | | | | | |
| | | | | | 14 | M Kližan | 4 | 1 | | | | | | | | | | |
| | | | | | | | | | | | | | | | | R Berankis | 3 | 4 |
| | | | | | | | | | | | | | | | 6 | S Querrey | 6 | 6 |
| | | | | | 11 | J Nieminen | 7 | 6$^3$ | 3 | | | | | | | | | |
| WC | M Fish | 6 | 3 | 6 | WC | M Fish | 5 | 7$^7$ | 2$^r$ | | | | | | | | | |
| | E Donskoy | 3 | 6 | 1 | | | | | | 11 | J Nieminen | 6 | 6$^4$ | 6$^{10}$ | | | | |
| | G Žemlja | 1 | 6 | 1 | | | | | | 6 | S Querrey | 4 | 7$^7$ | 7$^{12}$ | | | | |
| | G García López | 6 | 4 | 6 | | G García López | 6 | 3 | 4 | | | | | | | | | |
| | | | | | 6 | S Querrey | 4 | 6 | 6 | | | | | | | | | |

#### Section 2

| 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | LL | J Sousa | 4 | 1 | | | | | | | | | |
| | A Bogomolov Jr. | 6 | 6 | | | A Bogomolov Jr. | 6 | 6 | | | | | | | | | |
| | V Hănescu | 3 | 4 | | | | | | | | A Bogomolov Jr. | 3 | 5 | | | | |
| Q | D Goffin | 4 | 6 | 1 | | | | | | 13 | D Tursunov | 6 | 7 | | | | |
| | J Sock | 6 | 3 | 0$^r$ | Q | D Goffin | 6 | 5 | 1 | | | | | | | | |
| | | | | | 13 | D Tursunov | 4 | 7 | 6 | | | | | | | | |
| | | | | | | | | | | | | | | 13 | D Tursunov | 4 | 3 |
| | | | | | | | | | | | | | | 9 | J Melzer | 6 | 6 |
| | | | | | 9 | J Melzer | 7 | 6$^4$ | 4 | | | | | | | | |
| Q | T de Bakker | 3 | 6 | 6 | Q | T de Bakker | 5 | 7$^7$ | 2$^r$ | | | | | | | | |
| | I Sijsling | 6 | 4 | 4 | | | | | | 9 | J Melzer | 6 | 6 | | | | |
| | R Williams | 1 | 5 | | | | | | | 5 | B Paire | 4 | 3 | | | | |
| | J Blake | 6 | 7 | | | J Blake | 6$^9$ | 6 | 3 | | | | | | | | |
| | | | | | 5 | B Paire | 7$^{11}$ | 2 | 6 | | | | | | | | |

### Bottom half
#### Section 3

| 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 |
| | | | | 7/WC | F Verdasco | 3 | 6 | 6 | | | | | | | | | | |
| M Russell | 4 | 7$^8$ | 4 | | T Smyczek | 6 | 3 | 3 | | | | | | | | | | |
| T Smyczek | 6 | 6$^6$ | 6 | | | | | | 7/WC | F Verdasco | 6 | 6$^8$ | 6 | | | | | |
| R Haase | 6 | 6 | | | | | | | | R Haase | 4 | 7$^{10}$ | 3 | | | | | |
| A Mannarino | 3 | 3 | | | R Haase | 6 | 3 | 7 | | | | | | | | | | |
| | | | | 12 | L Rosol | 4 | 6 | 5 | | | | | | | | | | |
| | | | | | | | | | | | | | | 7/WC | F Verdasco | 7$^{10}$ | 4 | 4 |
| | | | | | | | | | | | | | | 15 | G Monfils | 6$^8$ | 6 | 6 |
| | | | | 15 | G Monfils | 6 | 6 | | | | | | | | | | | |
| L Mayer | 6$^5$ | 6$^4$ | | | G Pella | 2 | 2 | | | | | | | | | | | |
| G Pella | 7$^7$ | 7$^7$ | | | | | | | 15 | G Monfils | 7$^7$ | 4 | 6 | | | | | |
| G Rufin | 6 | 3 | 6 | | | | | | 4 | T Robredo | 6$^2$ | 6 | 2 | | | | | |
| D Istomin | 4 | 6 | 3 | | G Rufin | 6$^5$ | 6 | 3 | | | | | | | | | | |
| | | | | 4 | T Robredo | 7$^7$ | 4 | 6 | | | | | | | | | | |

#### Section 4

| 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 |
| | | | | 8 | J Mónaco | 6$^4$ | 6 | 6 | | | | | | | | | |
| | N Mahut | 6 | 6 | | N Mahut | 7$^7$ | 3 | 4 | | | | | | | | | |
| | Ł Kubot | 3 | 1 | | | | | | 8 | J Mónaco | 6 | 3 | 3 | | | | |
| | D Gimeno Traver | 7$^8$ | 7$^7$ | | | | | | 10 | A Dolgopolov | 4 | 6 | 6 | | | | |
| | É Roger-Vasselin | 6$^6$ | 6$^5$ | | D Gimeno Traver | 6 | 1 | 4 | | | | | | | | | |
| | | | | 10 | A Dolgopolov | 4 | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 10 | A Dolgopolov | 7$^7$ | 6 |
| | | | | | | | | | | | | | | | Y-h Lu | 6$^2$ | 3 |
| | | | | 16 | P Andújar | 4 | 3 | | | | | | | | | | |
| WC | R Bogaerts | 1 | 1 | | Y-h Lu | 6 | 6 | | | | | | | | | | |
| | Y-h Lu | 6 | 6 | | | | | | | Y-h Lu | 6 | 6 | | | | | |
| | B Reynolds | 1 | 2 | | | | | | Q | S Johnson | 3 | 2 | | | | | |
| Q | S Johnson | 6 | 6 | Q | S Johnson | 6$^5$ | 6 | 7 | | | | | | | | | |
| | | | | 2 | A Seppi | 7$^7$ | 4 | 5 | | | | | | | | | |

## Qualifying
### Seeds

* David Goffin (qualified)
* João Sousa (qualifying competition, lucky loser)
* Thiemo de Bakker (qualified)
* Denis Kudla (qualifying competition, lucky loser)
* Steve Johnson (qualified)
* James Duckworth (second round)
* Saketh Myneni (second round)
* Sanam Singh (qualifying competition)

### Qualifiers

* David Goffin
* Steve Johnson
* Thiemo de Bakker
* Frederik Nielsen

### Lucky losers

* João Sousa
* Denis Kudla

### Qualifying draw
#### First qualifier

| First round | 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 |
| 1 | David Goffin | 6 | 6 | | | | | | | | | | |
| | Filip Polášek | 1 | 3 | | | | | | | | | | |
| | Filip Polášek | 1 | 3 | | 1 | David Goffin | 6 | 6 | | | | | |
| | | | | | | Takanyi Garanganga | 2 | 1 | | | | | |
| | Takanyi Garanganga | 5 | 6 | 6 | | Takanyi Garanganga | 2 | 1 | | | | | |
| | Greg Ouellette | 7 | 3 | 2 | | | | | | | | | |
| | Greg Ouellette | 7 | 3 | 2 | | | | | | 1 | David Goffin | 6 | 6 |
| | | | | | | | | | | | Michal Mertiňák | 2 | 1 |
| | Andre Begemann | 4 | 3 | | | | | | | | | | | Michal Mertiňák | 2 | 1 |
| | Michal Mertiňák | 6 | 6 | | | | | | | | | | |
| | Michal Mertiňák | 6 | 6 | | | Michal Mertiňák | 2 | 6 | 6 | | | | |
| | | | | | 7 | Saketh Myneni | 6 | 3 | 2 | | | | |
| WC | Adam Lee | 6 | 3 | 1 | 7 | Saketh Myneni | 6 | 3 | 2 | | | | |
| 7 | Saketh Myneni | 4 | 6 | 6 | | | | | | | | | |

#### Second 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 | Qualifying competition |
| 2 | João Sousa | 6 | 6 | | | | | | | | | | |
| WC | Pedro Dumont | 3 | 0 | | | | | | | | | | |
| WC | Pedro Dumont | 3 | 0 | 2 | João Sousa | 5 | 7$^7$ | 6 | | | | | |
| | | | | | Eric Quigley | 7 | 6$^3$ | 1 | | | | | |
| | Chris Guccione | 3 | 4 | | Eric Quigley | 7 | 6$^3$ | 1 | | | | | |
| | Eric Quigley | 6 | 6 | | | | | | | | | | |
| | Eric Quigley | 6 | 6 | | | | | | 2 | João Sousa | 6 | 1 | 4 |
| | | | | | | | | | 5 | Steve Johnson | 4 | 6 | 6 |
| WC | Aws Laaribi | 1 | 3 | | | | | | | | | | | 5 | Steve Johnson | 4 | 6 | 6 |
| | Michael Shabaz | 6 | 6 | | | | | | | | | | |
| | Michael Shabaz | 6 | 6 | | Michael Shabaz | 4 | 1 | | | | | | |
| | | | | 5 | Steve Johnson | 6 | 6 | | | | | | |
| | Tyler Hochwalt | 5 | 3 | 5 | Steve Johnson | 6 | 6 | | | | | | |
| 5 | Steve Johnson | 7 | 6 | | | | | | | | | | |

#### Third qualifier

| First round | 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 | Thiemo de Bakker | 6 | 6 | | | | | | | | | | |
| | John Peers | 3 | 3 | | | | | | | | | | |
| | John Peers | 3 | 3 | | 3 | Thiemo de Bakker | 3 | 6 | 6 | | | | |
| | | | | | | Dominic Inglot | 6 | 3 | 0 | | | | |
| | Dominic Inglot | 4 | 6 | 6 | | Dominic Inglot | 6 | 3 | 0 | | | | |
| | Treat Conrad Huey | 6 | 4 | 3 | | | | | | | | | |
| | Treat Conrad Huey | 6 | 4 | 3 | | | | | | 3 | Thiemo de Bakker | 6 | 6 |
| | | | | | | | | | | 8 | Sanam Singh | 1 | 4 |
| | Jesse Witten | 6 | 6 | | | | | | | | | | | 8 | Sanam Singh | 1 | 4 |
| WC | Strong Kirchheimer | 4 | 4 | | | | | | | | | | |
| WC | Strong Kirchheimer | 4 | 4 | | | Jesse Witten | 2 | 4 | | | | | |
| | | | | | 8 | Sanam Singh | 6 | 6 | | | | | |
| | Sekou Bangoura | 5 | 2 | | 8 | Sanam Singh | 6 | 6 | | | | | |
| 8 | Sanam Singh | 7 | 6 | | | | | | | | | | |

#### Fourth qualifier

| First round | 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 | Denis Kudla | 6 | 6 | | | | | | | | | | |
| | Andrew Carter | 1 | 1 | | | | | | | | | | |
| | Andrew Carter | 1 | 1 | | 4 | Denis Kudla | 6 | 6 | | | | | |
| | | | | | | Henrique Cunha | 3 | 1 | | | | | |
| | Henrique Cunha | 6 | 7$^7$ | | | Henrique Cunha | 3 | 1 | | | | | |
| | František Čermák | 3 | 6$^4$ | | | | | | | | | | |
| | František Čermák | 3 | 6$^4$ | | | | | | 4 | Denis Kudla | 6 | 2 | 0 |
| | | | | | | | | | | Frederik Nielsen | 4 | 6 | 6 |
| | Keith-Patrick Crowley | 3 | 4 | | | | | | | | | | | Frederik Nielsen | 4 | 6 | 6 |
| | Frederik Nielsen | 6 | 6 | | | | | | | | | | |
| | Frederik Nielsen | 6 | 6 | | | Frederik Nielsen | 7 | 6 | | | | | |
| | | | | | 6 | James Duckworth | 5 | 2 | | | | | |
| | Michael Venus | 6$^6$ | 7$^7$ | 5 | 6 | James Duckworth | 5 | 2 | | | | | |
| 6 | James Duckworth | 7$^8$ | 6$^3$ | 7 | | | | | | | | | |