# 2011 Open GDF Suez Nantes Atlantique – Singles

Lucie Hradecká was the defending champion, but chose not to participate.
Alison Riske won the title, defeating Iryna Brémond in the final, 6–1, 6–4.

## Seeds

* Pauline Parmentier (second round)
* Heather Watson (quarterfinals)
* Alizé Cornet (semifinals)
* Stéphanie Foretz Gacon (quarterfinals)
* Iryna Brémond (final)
* Valeria Savinykh (quarterfinals)
* Arantxa Parra Santonja (quarterfinals)
* Alexandra Panova (first round)

## Main 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 |
| | Alison Riske | 6 | 6 | | | | | |
| 3 | Alizé Cornet | 1 | 3 | | | | | |
| 3 | Alizé Cornet | 1 | 3 | | | Alison Riske | 6 | 6 |
| | | | | | 5 | Iryna Brémond | 1 | 4 |
| | Claire Feuerstein | 0 | 6 | 2 | 5 | Iryna Brémond | 1 | 4 |
| 5 | Iryna Brémond | 6 | 3 | 6 | | | | |

### Top half

| 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 |
| 1 | P Parmentier | 6 | 6 | | | | | | | | | | | | | | |
| | E Ivanova | 3 | 1 | 1 | P Parmentier | 7$^7$ | 6$^4$ | 3 | | | | | | | | | |
| | A Riske | 6 | 6 | | A Riske | 6$^4$ | 7$^7$ | 6 | | | | | | | | | |
| | N Bratchikova | 2 | 3 | | | | | | | A Riske | 6 | 6 | | | | | |
| | A Remondina | 2 | 6$^5$ | | | | | | 7 | A Parra Santonja | 2 | 4 | | | | | |
| Q | S Beltrame | 6 | 7$^7$ | Q | S Beltrame | 6 | 3 | 3 | | | | | | | | | |
| | Y Putintseva | 6$^7$ | 4 | 7 | A Parra Santonja | 4 | 6 | 6 | | | | | | | | | |
| 7 | A Parra Santonja | 7$^9$ | 6 | | | | | | | | | | | | A Riske | 6 | 6 |
| 3 | A Cornet | 6 | 7$^7$ | | | | | | | | | | | 3 | A Cornet | 1 | 3 |
| | O Savchuk | 0 | 6$^3$ | 3 | A Cornet | 6 | 6 | | | | | | | | | | |
| | R Kulikova | 6 | 6 | | R Kulikova | 4 | 3 | | | | | | | | | | |
| Q | D Jurak | 1 | 1 | | | | | | 3 | A Cornet | 2 | 6 | 6 | | | | |
| WC | C Paquet | 2 | 1 | | | | | | 6 | V Savinykh | 6 | 2 | 4 | | | | |
| | C Garcia | 6 | 6 | | C Garcia | 3 | 6$^6$ | | | | | | | | | | |
| | A Kremer | 4 | 1 | 6 | V Savinykh | 6 | 7$^8$ | | | | | | | | | | |
| 6 | V Savinykh | 6 | 6 | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 8 | A Panova | 4 | 6 | 6$^4$ | | | | | | | | | | | | | | |
| WC | J Coin | 6 | 3 | 7$^7$ | WC | J Coin | 6$^3$ | 7$^7$ | 6$^2$ | | | | | | | | | |
| | C Feuerstein | 6 | 2 | 6 | | C Feuerstein | 7$^7$ | 6$^5$ | 7$^7$ | | | | | | | | | |
| | E Kostova | 3 | 6 | 3 | | | | | | | C Feuerstein | 6 | 6 | | | | | |
| Q | M Linette | 1 | 6 | 4 | | | | | | 4 | S Foretz Gacon | 3 | 2 | | | | | |
| | ME Camerin | 6 | 3 | 6 | | ME Camerin | 6 | 3 | 4 | | | | | | | | | |
| | S Vögele | 3 | 4 | | 4 | S Foretz Gacon | 3 | 6 | 6 | | | | | | | | | |
| 4 | S Foretz Gacon | 6 | 6 | | | | | | | | | | | | C Feuerstein | 0 | 6 | 2 |
| 5 | I Brémond | 6 | 6 | | | | | | | | | | | 5 | I Brémond | 6 | 3 | 6 |
| WC | A Laurendon | 2 | 3 | | 5 | I Brémond | 6 | 7 | | | | | | | | | | |
| | V Larrière | 6 | 2 | | | V Larrière | 3 | 5 | | | | | | | | | | |
| Q | M Hončová | 4 | 1$^r$ | | | | | | | 5 | I Brémond | 6 | 6 | | | | | |
| | L Costas | 6 | 6 | | | | | | | 2 | H Watson | 2 | 4 | | | | | |
| WC | A Tisset | 1 | 1 | | | L Costas | 0 | 1 | | | | | | | | | | |
| | K Mladenovic | 6$^3$ | 2 | | 2 | H Watson | 6 | 6 | | | | | | | | | | |
| 2 | H Watson | 7$^7$ | 6 | | | | | | | | | | | | | | | |