# 2015 Open GDF Suez Seine-et-Marne – Singles

Claire Feuerstein was the defending champion, however she chose not to participate.
Margarita Gasparyan won the title, defeating wildcard Mathilde Johansson in the final, 6–3, 6–4.

## Seeds

* Misaki Doi (first round)
* Magda Linette (first round)
* An-Sophie Mestach (first round)
* Shahar Pe'er (first round)
* Richèl Hogenkamp (second round)
* Misa Eguchi (first round)
* Kristýna Plíšková (quarterfinals)
* Olga Govortsova (semifinals; retired)

## 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 | Final | Final | Final | Final |
| | Yuliya Beygelzimer | 3 | 5 | | | | |
| WC | Mathilde Johansson | 6 | 7 | | | | |
| WC | Mathilde Johansson | 6 | 7 | WC | Mathilde Johansson | 3 | 4 |
| | | | | | Margarita Gasparyan | 6 | 6 |
| | Margarita Gasparyan | 6 | 5 | | Margarita Gasparyan | 6 | 6 |
| 8 | Olga Govortsova | 3 | 0$^r$ | | | | |

### 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 |
| 1 | M Doi | 4 | 2 | | | | | | | | | | | | | | |
| | Y Beygelzimer | 6 | 6 | | | Y Beygelzimer | 6 | 6 | | | | | | | | | |
| | A Sasnovich | 7$^7$ | 3 | 4 | | P Martić | 4 | 4 | | | | | | | | | |
| | P Martić | 6$^5$ | 6 | 6 | | | | | | | Y Beygelzimer | 6 | 6 | | | | |
| Q | M Melnikova | 1 | 1 | | | | | | | | V Razzano | 4 | 2 | | | | |
| | V Razzano | 6 | 6 | | | V Razzano | 6 | 6 | | | | | | | | | |
| | A Brianti | 6 | 6 | | | A Brianti | 1 | 1 | | | | | | | | | |
| 6 | M Eguchi | 4 | 4 | | | | | | | | | | | | Y Beygelzimer | 3 | 5 |
| 4 | S Pe'er | 2 | 1 | | | | | | | | | | | WC | M Johansson | 6 | 7 |
| WC | M Johansson | 6 | 6 | | WC | M Johansson | 7$^7$ | 3 | | | | | | | | | |
| | E Kulichkova | 7 | 6$^4$ | 6 | | E Kulichkova | 6$^4$ | 0$^r$ | | | | | | | | | |
| | N Broady | 5 | 7$^7$ | 3 | | | | | | WC | M Johansson | 7$^7$ | 6 | | | | |
| WC | M Georges | 7$^7$ | 7$^7$ | | | | | | | WC | M Georges | 6$^5$ | 3 | | | | |
| | N Abduraimova | 6$^1$ | 6$^5$ | | WC | M Georges | 6 | 3 | 6 | | | | | | | | |
| | R Ozaki | 4 | 1 | | 5 | R Hogenkamp | 1 | 6 | 1 | | | | | | | | |
| 5 | R Hogenkamp | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | Kr Plíšková | 4 | | | | | | | | | | | | | | |
| | H Kuwata | 2$^r$ | | | 7 | Kr Plíšková | 6 | 6 | | | | | | | | |
| | O Dodin | 6 | 6 | | | O Dodin | 4 | 4 | | | | | | | | |
| | E Hozumi | 4 | 4 | | | | | | 7 | Kr Plíšková | 6$^4$ | 5 | | | | |
| Q | I Jorović | 1 | 6 | 5 | | | | | | M Gasparyan | 7$^7$ | 7 | | | | |
| | M Gasparyan | 6 | 4 | 7 | | M Gasparyan | 6 | 6 | | | | | | | | |
| Q | E Kostova | 6 | 3 | 6 | Q | E Kostova | 3 | 3 | | | | | | | | |
| 3 | A-S Mestach | 4 | 6 | 4 | | | | | | | | | | M Gasparyan | 6 | 5 |
| 8 | O Govortsova | 6 | 7 | | | | | | | | | | 8 | O Govortsova | 3 | 0$^r$ |
| Q | Y Bonaventure | 3 | 5 | | 8 | O Govortsova | 6 | 6 | | | | | | | | |
| WC | M Arcangioli | 3 | 6 | 6$^4$ | | S Foretz | 1 | 1 | | | | | | | | |
| | S Foretz | 6 | 4 | 7$^7$ | | | | | 8 | O Govortsova | 6 | 6 | | | | |
| | E Bychkova | 3 | 6 | 6 | | | | | 2 | M Linette | 2 | 4 | | | | |
| WC | A Lim | 6 | 4 | 2 | | E Bychkova | 3 | 4 | | | | | | | | |
| | A Kontaveit | 3 | 4 | | 2 | M Linette | 6 | 6 | | | | | | | | |
| 2 | M Linette | 6 | 6 | | | | | | | | | | | | | |