# 2013 Open de Nice Côte d'Azur – Singles

Nicolás Almagro was the two-time defending champion but decided not to participate. Albert Montañés won the title, defeating Gaël Monfils in the final, 6–0, 7–6.$^{(7–3)}$

## Seeds

The top four seeds received a bye into the second round.
* Tomáš Berdych (withdrew because of fatigue)
* Gilles Simon (quarterfinals)
* Sam Querrey (quarterfinals)
* John Isner (second round)
* Andreas Seppi (first round)
* Fabio Fognini (second round)
* Marcel Granollers (withdrew because of a shoulder injury)
* Denis Istomin (first 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 |
| Alt | Albert Montañés | 6 | 4 | 6 | | | | |
| WC | Édouard Roger-Vasselin | 4 | 6 | 0 | | | | |
| WC | Édouard Roger-Vasselin | 4 | 6 | 0 | Alt | Albert Montañés | 6 | 7$^7$ |
| | | | | | WC | Gaël Monfils | 0 | 6$^3$ |
| WC | Gaël Monfils | 7 | 6 | | WC | Gaël Monfils | 0 | 6$^3$ |
| | Pablo Andújar | 5 | 4 | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | Alt | A Montañés | 7 | 7$^7$ | | | | | | | | | | | |
| | V Hănescu | 6 | 5 | 6 | | V Hănescu | 5 | 6$^2$ | | | | | | | | | | | |
| | A Ramos | 3 | 7 | 4 | | | | | | Alt | A Montañés | 6 | 6 | | | | | | |
| | C Berlocq | 6 | 6 | | | | | | | | P-H Mathieu | 4 | 1 | | | | | | |
| | L Mayer | 2 | 1 | | | C Berlocq | 5 | 6 | 3 | | | | | | | | | | |
| | P-H Mathieu | 6 | 6 | | | P-H Mathieu | 7 | 3 | 6 | | | | | | | | | | |
| LL | R Harrison | 4 | 4 | | | | | | | | | | | | Alt | A Montañés | 6 | 4 | 6 |
| | | | | | | | | | | | | | | | WC | É Roger-Vasselin | 4 | 6 | 0 |
| | | | | | 3 | S Querrey | 7 | 6 | | | | | | | | | | | |
| Q | R Dutra da Silva | 2 | 3 | | Q | S Stakhovsky | 5 | 3 | | | | | | | | | | | |
| Q | S Stakhovsky | 6 | 6 | | | | | | | 3 | S Querrey | 6 | 6$^2$ | 1 | | | | | |
| WC | É Roger-Vasselin | 7 | 0 | | | | | | | WC | É Roger-Vasselin | 3 | 7$^7$ | 6 | | | | | |
| | A Falla | 5 | 0$^r$ | | WC | É Roger-Vasselin | 2 | 6 | 6 | | | | | | | | | | |
| | R Berankis | 6 | 6 | | | R Berankis | 6 | 4 | 2 | | | | | | | | | | |
| 8 | D Istomin | 2 | 2 | | | | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | F Fognini | 1 | 6 | 6 | | | | | | | | | | | | | |
| Q | M Cecchinato | 6 | 1 | 2 | 6 | F Fognini | 2 | 6$^5$ | | | | | | | | | |
| | S Giraldo | 6 | 3 | 3 | WC | G Monfils | 6 | 7$^7$ | | | | | | | | | |
| WC | G Monfils | 4 | 6 | 6 | | | | | | WC | G Monfils | 6 | 6 | | | | |
| | M Matosevic | 1 | 4 | | | | | | | | R Haase | 2 | 3 | | | | |
| | R Haase | 6 | 6 | | | R Haase | 6 | 1 | 7 | | | | | | | | |
| | | | | | 4 | J Isner | 4 | 6 | 5 | | | | | | | | |
| | | | | | | | | | | | | | | WC | G Monfils | 7 | 6 |
| 5 | A Seppi | 5 | 6 | 4 | | | | | | | | | | | P Andújar | 5 | 4 |
| | Y-h Lu | 7 | 1 | 6 | | Y-h Lu | 2 | 0 | | | | | | | | | |
| WC | L Hewitt | 3 | 6 | 3 | | P Andújar | 6 | 6 | | | | | | | | | |
| | P Andújar | 6 | 4 | 6 | | | | | | | P Andújar | 6 | 7 | | | | |
| Q | G Rufin | 6 | 6 | | | | | | | 2 | G Simon | 4 | 5 | | | | |
| | P Lorenzi | 3 | 1 | | Q | G Rufin | 4 | 3 | | | | | | | | | |
| | | | | | 2 | G Simon | 6 | 6 | | | | | | | | | |

## Qualifying
### Seeds

The top four seeds received a bye into the second round.
* Ryan Harrison (qualifying competition, lucky loser)
* Rogério Dutra da Silva (qualified)
* Thiemo de Bakker (qualifying competition)
* Sergiy Stakhovsky (qualified)
* Guillaume Rufin (qualified)
* Adrian Mannarino (first round)
* Florent Serra (second round)
* Jürgen Zopp (first round)

### Qualifiers

* Guillaume Rufin
* Rogério Dutra da Silva
* Marco Cecchinato
* Sergiy Stakhovsky

### Lucky losers

* Ryan Harrison

### Qualifying draw
#### First 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 |
| | | | | 1 | Ryan Harrison | 7$^7$ | 7 | | | | |
| Jonathan Eysseric | Jonathan Eysseric | 6$^1$ | 3 | | Peter Polansky | 6$^4$ | 5 | | | | |
| Peter Polansky | Peter Polansky | 7$^7$ | 6 | | | | | 1 | Ryan Harrison | 3 | 4 |
| Albano Olivetti | Albano Olivetti | 3 | 5 | | | | | 5 | Guillaume Rufin | 6 | 6 |
| Alexandre Massa | Alexandre Massa | 6 | 7 | | Alexandre Massa | 0 | 1 | | | | |
| | Grégoire Burquier | 3 | 1 | 5 | Guillaume Rufin | 6 | 6 | | | | |
| 5 | Guillaume Rufin | 6 | 6 | | | | | | | | |

#### Second 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 |
| | | | | | 2 | Rogério Dutra da Silva | 7$^7$ | 7 | | | | |
| Jordi Samper Montaña | Jordi Samper Montaña | 6 | 3 | 3 | | Alessandro Giannessi | 6$^3$ | 5 | | | | |
| Alessandro Giannessi | Alessandro Giannessi | 3 | 6 | 6 | | | | | 2 | Rogério Dutra da Silva | 6 | 7$^8$ |
| Romain Jouan | Romain Jouan | 7 | 1 | 6 | | | | | | Romain Jouan | 2 | 6$^6$ |
| Nicolas Mahut | Nicolas Mahut | 5 | 6 | 3 | Romain Jouan | Romain Jouan | 6 | 6 | | | | |
| | Alex Kuznetsov | 6 | 3 | 7$^7$ | Alex Kuznetsov | Alex Kuznetsov | 4 | 3 | | | | |
| 8 | Jürgen Zopp | 3 | 6 | 6$^1$ | | | | | | | | |

#### Third 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 |
| | | | | 3 | Thiemo de Bakker | 6 | 6 | | | | | |
| | Guillermo Olaso | 6 | 7$^7$ | | Guillermo Olaso | 4 | 3 | | | | | |
| WC | Alexandre Pierson | 2 | 6$^3$ | | | | | | 3 | Thiemo de Bakker | 3 | 6$^4$ |
| Stephan Fransen | Stephan Fransen | 3 | 4 | | | | | | | Marco Cecchinato | 6 | 7$^7$ |
| Marco Cecchinato | Marco Cecchinato | 6 | 6 | | Marco Cecchinato | 6$^5$ | 7 | 6 | | | | |
| | David Guez | 3 | 1 | 7 | Florent Serra | 7$^7$ | 5 | 2 | | | | |
| 7 | Florent Serra | 6 | 6 | | | | | | | | | |

#### Fourth 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 |
| | | | | 4 | Sergiy Stakhovsky | 6 | 6$^2$ | 7$^7$ | | | | | |
| Potito Starace | Potito Starace | 7$^7$ | 6 | | Potito Starace | 3 | 7$^7$ | 6$^5$ | | | | | |
| Michal Mertiňák | Michal Mertiňák | 6$^0$ | 3 | | | | | | 4 | Sergiy Stakhovsky | 6$^6$ | 6 | 6 |
| Christian Garín | Christian Garín | 6 | 6 | | | | | | | Henri Laaksonen | 7$^8$ | 2 | 4 |
| Cédrick Commin | Cédrick Commin | 3 | 2 | Christian Garín | Christian Garín | 6 | 1 | 1 | | | | | |
| | Henri Laaksonen | 6 | 6 | Henri Laaksonen | Henri Laaksonen | 4 | 6 | 6 | | | | | |
| 6 | Adrian Mannarino | 3 | 2 | | | | | | | | | | |