# 2013 Delray Beach International Tennis Championships – Singles

Kevin Anderson was the defending champion, but lost to John Isner in the quarterfinals.
Ernests Gulbis won the title, defeating Édouard Roger-Vasselin 7–6$^{(7–3)}$, 6–3 in the final.

## Seeds

* John Isner (semifinals)
* Tommy Haas (semifinals)
* Sam Querrey (second round)
* Kei Nishikori (first round, retired)
* Alexandr Dolgopolov (first round)
* Kevin Anderson (quarterfinals)
* Feliciano López (withdrew because of an arm injury)
* Xavier Malisse (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

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | John Isner | 4 | 6 | 4 | | | | |
| | Édouard Roger-Vasselin | 6 | 4 | 6 | | | | |
| | Édouard Roger-Vasselin | 6 | 4 | 6 | | Édouard Roger-Vasselin | 6$^3$ | 3 |
| | | | | | Q | Ernests Gulbis | 7$^7$ | 6 |
| Q | Ernests Gulbis | 6 | 4 | 7$^7$ | Q | Ernests Gulbis | 7$^7$ | 6 |
| 2 | Tommy Haas | 3 | 6 | 6$^2$ | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | J Isner | 7$^7$ | 5 | 6 | | | | | | | | | | | | | | |
| | J Levine | 6$^3$ | 7 | 4 | 1 | J Isner | 7$^7$ | 6 | | | | | | | | | | |
| | M Matosevic | 6 | 4 | 6$^6$ | | G Soeda | 6$^2$ | 2 | | | | | | | | | | |
| | G Soeda | 2 | 6 | 7$^8$ | | | | | | 1 | J Isner | 6 | 7$^7$ | | | | | |
| Q | B Reynolds | 3 | 5 | | | | | | | 6 | K Anderson | 2 | 6$^1$ | | | | | |
| | Y-h Lu | 6 | 7 | | | Y-h Lu | 4 | 6 | 3 | | | | | | | | | |
| Q | T Smyczek | 3 | 4 | | 6 | K Anderson | 6 | 3 | 6 | | | | | | | | | |
| 6 | K Anderson | 6 | 6 | | | | | | | | | | | 1 | J Isner | 4 | 6 | 4 |
| 4 | K Nishikori | 4$^r$ | | | | | | | | | | | | | É Roger-Vasselin | 6 | 4 | 6 |
| | I Karlović | 5 | | | | I Karlović | 4 | 5 | | | | | | | | | | |
| | F Cipolla | 1 | 4 | | | É Roger-Vasselin | 6 | 7 | | | | | | | | | | |
| | É Roger-Vasselin | 6 | 6 | | | | | | | | É Roger-Vasselin | 6 | 6 | | | | | |
| | M Ebden | 3 | 3 | | | | | | | LL | R Berankis | 4 | 3 | | | | | |
| WC | J Sock | 6 | 6 | | WC | J Sock | 6 | 4 | 1 | | | | | | | | | |
| | B Phau | 1 | 6$^4$ | | LL | R Berankis | 3 | 6 | 6 | | | | | | | | | |
| LL | R Berankis | 6 | 7$^7$ | | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | X Malisse | 6 | 6 | | | | | | | | | | | | | | | | |
| | A Falla | 3 | 3 | | 8 | X Malisse | 6$^3$ | 6 | 3 | | | | | | | | | | |
| | R Harrison | 2 | 6 | 3 | Q | D Muñoz de la Nava | 7$^7$ | 3 | 6 | | | | | | | | | | |
| Q | D Muñoz de la Nava | 6 | 1 | 6 | | | | | | Q | D Muñoz de la Nava | 1 | 4 | | | | | | |
| Q | E Gulbis | 6 | 6 | | | | | | | Q | E Gulbis | 6 | 6 | | | | | | |
| WC | J Blake | 1 | 4 | | Q | E Gulbis | 6 | 4 | 7$^7$ | | | | | | | | | | |
| | M Russell | 2 | 2$^r$ | | 3/WC | S Querrey | 4 | 6 | 6$^4$ | | | | | | | | | | |
| 3/WC | S Querrey | 6 | 2 | | | | | | | | | | | | Q | E Gulbis | 6 | 4 | 7$^7$ |
| 5 | A Dolgopolov | 3 | 3 | | | | | | | | | | | | 2 | T Haas | 3 | 6 | 6$^2$ |
| | I Dodig | 6 | 6 | | | I Dodig | 6 | 7 | | | | | | | | | | | |
| | E Donskoy | 7$^7$ | 6 | | | E Donskoy | 3 | 5 | | | | | | | | | | | |
| | S Darcis | 6$^5$ | 3 | | | | | | | | I Dodig | 6$^6$ | 6 | 1 | | | | | |
| | D Istomin | 6$^3$ | 6 | 7 | | | | | | 2 | T Haas | 7$^8$ | 2 | 6 | | | | | |
| | B Becker | 7$^7$ | 4 | 5 | | D Istomin | 4 | 1 | | | | | | | | | | | |
| | I Sijsling | 7 | 4 | 0$^r$ | 2 | T Haas | 6 | 6 | | | | | | | | | | | |
| 2 | T Haas | 5 | 6 | 0 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Ričardas Berankis (qualifying competition, lucky loser)
* Tim Smyczek (qualified)
* Ernests Gulbis (qualified)
* Ruben Bemelmans (first round, retired because of a lower back injury)
* Vasek Pospisil (first round)
* Gastão Elias (qualifying competition)
* Frank Dancevic (second round)
* Thiago Alves (first round)

### Qualifiers

* Bobby Reynolds
* Tim Smyczek
* Ernests Gulbis
* Daniel Muñoz de la Nava

### Lucky losers

* Ričardas Berankis

### 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 | Ričardas Berankis | 6 | 6 | | | | | | | | | | |
| WC | Sekou Bangoura | 4 | 2 | | | | | | | | | | |
| WC | Sekou Bangoura | 4 | 2 | | 1 | Ričardas Berankis | 2 | 6 | 6 | | | | |
| | | | | | | Denis Zivkovic | 6 | 2 | 1 | | | | |
| WC | Juan Rocha | 1 | 3 | | | Denis Zivkovic | 6 | 2 | 1 | | | | |
| | Denis Zivkovic | 6 | 6 | | | | | | | | | | |
| | Denis Zivkovic | 6 | 6 | | | | | | | 1 | Ričardas Berankis | 6$^9$ | 6$^3$ |
| | | | | | | | | | | | Bobby Reynolds | 7$^{11}$ | 7$^7$ |
| | Mischa Zverev | 6 | 4 | 0$^r$ | | | | | | | | | | Bobby Reynolds | 7$^{11}$ | 7$^7$ |
| | Bobby Reynolds | 2 | 6 | 1 | | | | | | | | | |
| | Bobby Reynolds | 2 | 6 | 1 | | Bobby Reynolds | 6 | 7 | | | | | |
| | | | | | 7 | Frank Dancevic | 3 | 5 | | | | | |
| | Marek Michalička | 4 | 3 | | 7 | Frank Dancevic | 3 | 5 | | | | | |
| 7 | Frank Dancevic | 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 | Tim Smyczek | 6 | 7 | | | | | | | | | |
| | Robby Ginepri | 2 | 5 | | | | | | | | | |
| | Robby Ginepri | 2 | 5 | 2 | Tim Smyczek | 7$^7$ | 6 | | | | | |
| | | | | | Bradley Klahn | 6$^4$ | 3 | | | | | |
| | Érik Chvojka | 1 | 3 | | Bradley Klahn | 6$^4$ | 3 | | | | | |
| | Bradley Klahn | 6 | 6 | | | | | | | | | |
| | Bradley Klahn | 6 | 6 | | | | | 2 | Tim Smyczek | 6 | 4 | 6 |
| | | | | | | | | | Denis Kudla | 4 | 6 | 4 |
| PR | Caio Zampieri | 4 | 1 | | | | | | | | | | Denis Kudla | 4 | 6 | 4 |
| | Denis Kudla | 6 | 6 | | | | | | | | | |
| | Denis Kudla | 6 | 6 | | Denis Kudla | 6 | 6 | | | | | |
| | | | | | Chase Buchanan | 2 | 1 | | | | | |
| | Chase Buchanan | 7 | 7 | | Chase Buchanan | 2 | 1 | | | | | |
| 5 | Vasek Pospisil | 5 | 5 | | | | | | | | | |

#### Third 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 |
| 3 | Ernests Gulbis | 6 | 6 | | | | | | | | | | |
| | Daniel Kosakowski | 3 | 4 | | | | | | | | | | |
| | Daniel Kosakowski | 3 | 4 | | 3 | Ernests Gulbis | 7$^7$ | 6 | | | | | |
| | | | | | | Illya Marchenko | 6$^2$ | 4 | | | | | |
| | Alex Kuznetsov | 2 | 3 | | | Illya Marchenko | 6$^2$ | 4 | | | | | |
| | Illya Marchenko | 6 | 6 | | | | | | | | | | |
| | Illya Marchenko | 6 | 6 | | | | | | 3 | Ernests Gulbis | 6$^4$ | 7 | 6 |
| | | | | | | | | | | Denys Molchanov | 7$^7$ | 5 | 4 |
| WC | Jared Hiltzik | 3 | 4 | | | | | | | | | | | Denys Molchanov | 7$^7$ | 5 | 4 |
| | Andrey Golubev | 6 | 6 | | | | | | | | | | |
| | Andrey Golubev | 6 | 6 | | | Andrey Golubev | 4 | 5 | | | | | |
| | | | | | | Denys Molchanov | 6 | 7 | | | | | |
| | Denys Molchanov | 6$^1$ | 6 | 7 | | Denys Molchanov | 6 | 7 | | | | | |
| 8 | Thiago Alves | 7$^7$ | 4 | 5 | | | | | | | | | |

#### Fourth 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 |
| 4 | Ruben Bemelmans | 0 | 0$^r$ | | | | | | | | | | |
| | Daniel Muñoz de la Nava | 6 | 0 | | | | | | | | | | |
| | Daniel Muñoz de la Nava | 6 | 0 | | | Daniel Muñoz de la Nava | 7$^7$ | 6 | | | | | |
| | | | | | | Donald Young | 6$^5$ | 3 | | | | | |
| | Donald Young | 7$^7$ | 6$^2$ | 6 | | Donald Young | 6$^5$ | 3 | | | | | |
| | Alex Bogomolov Jr. | 6$^5$ | 7$^7$ | 3 | | | | | | | | | |
| | Alex Bogomolov Jr. | 6$^5$ | 7$^7$ | 3 | | | | | | | Daniel Muñoz de la Nava | 6 | 6 |
| | | | | | | | | | | 6 | Gastão Elias | 2 | 4 |
| | Dustin Brown | 4 | 2 | | | | | | | | | | | 6 | Gastão Elias | 2 | 4 |
| | Ryan Sweeting | 6 | 6 | | | | | | | | | | |
| | Ryan Sweeting | 6 | 6 | | | Ryan Sweeting | 3 | 6 | 4 | | | | |
| | | | | | 6 | Gastão Elias | 6 | 3 | 6 | | | | |
| WC | Michael McClune | 3 | 6$^7$ | | 6 | Gastão Elias | 6 | 3 | 6 | | | | |
| 6 | Gastão Elias | 6 | 7$^9$ | | | | | | | | | | |